References Cited

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Brockmann, H.C.E., 1978, Mapa de cobertura y uso actual de la tierra Bolivia memoria explicatia [Land-cover and present-day land-use map of Bolivia]: La Paz, Servicio Geológico de Bolivia, Programa del Satélite Tecnológico de Recursos Naturales, Serie Sensores Remotos, no. 2, 116 p., color land-use maps at a scale of 1:1,000,000.

Conway, Martin, 1900, Notes on a map of part of the Cordillera Real of Bolivia: Geographical Journal, v. 15, no. 5, p. 528-529, color map (1898) at a scale of 1:500,000.

d'Orbigny, A.D., 1835-1847, Voyage dans l'Amérique Méridionale (le Brésil, la République orientale de l'Uruguay, la République Argentine, la Patagonie, la République du Chili, la République de Bolivia, la République du Pérou), executé pendant les années 1826, 1827, 1828, 1829, 1830, 1831, 1832 et 1833 [Voyage to South America (Brazil, Uruguay, Argentina, Patagonia, Chile, Bolivia, Perú), carried out during the years 1826-1833]: Paris, Pitois-Levrault and Company, 9 v.

Finsterwalder, Rüdiger, dir., 1987, Map of the Cordillera Real Nord (Illampu): München, Deutsche Alpenverein, scale 1:50,000.

------1990, Map of the Cordillera Real Süd (Illimani): München Deutsche Alpenverein, scale 1:50,000.

Francou, Bernard, 1993, Une représentation factorielle des cryosphères d'altitude dans le monde in Géomorphologie et aménagement de la montagne--melanages in hommage à P. Gabert [A quantitative description of the high-altitude cold regions in the world in Geomorphology and development of the mountain--a series of papers dedicated to Pierre Gabert]: Centre National de la Recherche Scientifique, Centre de Geomorphologie de Caen, Bulletin, v. 42, p. 75-86.

Francou, Bernard, Ribstein, Pierre, Saravia, Ronald, and Tiriau, Eric, 1995, Monthly balance and water discharge of an inter-tropical glacier: Zongo Glacier, Cordillera Real, Bolivia, 16° S: Journal of Glaciology, v. 41, no. 137, p. 61-67.

Graf, Kurt, 1975, Estudios geomórficos en los Andes y el Altiplano Bolivianos [Geomorphological studies in the Bolivian Andes and Altiplano]: Sociedad Geológica Boliviana Boletín, no. 21, p. 3-23.

------1981, Zum Höhenverlauf der Subnivalstufe in den tropischen Anden, insbesondere in Bolivien und Ecuador [Altitudinal traces of the periglacial zone in the tropical Andes, particularly in Bolivia and Ecuador]: Zeitschrift für Geomorphologie, Neue Folge, Ergänzungshefte [Supplement], v. 37, p. 1-24.

Hastenrath, S.L., 1967, Observations on the snow line in the Peruvian Andes: Journal of Glaciology, v. 6, no. 46, p. 541-550.

------1971a, Beobachtungen zur klima-morphologischen Höhenstufung der Cordillera Real (Bolivien) [Observations on the climate-morphological altitudinal gradations of the Cordillera Real (Bolivia)]: Erdkunde, v. 25, no. 2, p. 102-108.

Hastenrath, S.L., 1971b, On the Pleistocene snow-line depression in the arid regions of the South American Andes: Journal of Glaciology, v. 10, no. 59, p. 255-267.

Hauthal, R.J.F., 1911, Reisen in Bolivien und Peru, ausgeführt 1908 [Travels in Bolivia and Perú, taken in 1908): Leipzig, Duneker and Humbolt, 247 p.

Herrmann, Andreas, 1993, Review of Jordon, Ekkehard, 1991, The glaciers of the Bolivian Andes, a photogrammetric-cartographical inventory of the Bolivian glaciers as a basis for climatic interpretation and potential economic use: Catena, v. 20, no. 3, p. 351-353.

Herzog, Theodor, 1913, Vom Urwald zu den Gletschern der Kordillere; 2 Forschungsreisen in Bolivien [From the jungle to the glaciers of the Cordillera; two research trips in Bolivia]: Stuttgart, Strecker and Schroder, 270 p.

------1915, Beiträge zur Kenntnis von Tektonik und Glazial der bolivischen Ostkordillere [Contributions to the knowledge of tectonics and glacial features of the Bolivian Eastern Cordillera]: Geologische Rundschau, v. 5 (1914), p. 353-371.

Jordan, Ekkehard, 1979, Grundsätzliches zum Unterschied zwischen tropischem undaussertropischem Gletscherhaushalt unter besonderer Berücksichtigung der Gletscher Boliviens [Fundamental information on the difference between tropical and extratropical glacier mass-balance with special consideration of Bolivia's glaciers]: Erdkunde, v. 33, no. 4, p. 297-309.

------1985, Recent glacier distribution and present climate in the Central Andes of South America: Zeitschrift für Gletscherkunde und Glazialgeologie, v. 21, p. 213-224.

------1991, Die Gletscher der bolivianischen Anden, eine photogrammetrisch-kartographische Bestandsaufnahme der Gletscher Boliviens als Grundlage für klimatise Deutungen und Potential für die wirtschaftliche Nutzung [The glaciers of the Bolivian Andes, a photogrammetric-cartographical inventory of the Bolivian glaciers as a basis for climatic interpretation and potential for economic use]: Stuttgart, Franz Steiner Verlag, 401 p., maps.

------1992, The recent development of the tropical andean glaciers in comparison to those in the European Alps and first indications of a climate change: Sociedad Geográfica de Lima Boletín, Segundo Congreso Internacional de Geografía de las Américas, v. 105, p. 289-310.

Jordan, Ekkehard, Brockman, Carlos, Fernandez, A., Alvarez, R., and Jacobsen, K., 1980, The glacier inventory of Bolivia in World glacier inventory, proceedings of the Riederalp (Switzerland) workshop: International Association of Hydrological Sciences, IAHS-AISH Publication no. 126, p. 25-32.

Jordan, Ekkehard, and Finsterwalder, Rüdiger, 1992 [1993?], Observaciones respecto al mapa Cordillera Real Norte (Illampú) 1:50,000--una contribución a la representación cartográfica y a la glaciología e historia de los glaciares de los Andes bolivianos [Explanatory notes to the map Cordillera Real North (Illampu) 1:50,000--A contribution to the cartographic representation, glaciology, and glacial history of the Bolivian Andes]: La Paz, Instituto Geográfico Militar, 178 p. [In Spanish, German, English, and French.]

Jordan, Ekkehard, Reuter, Gerhard, Leinweber, Peter, Alfaro, Hernan, Condo, Angel, Geyh, M.A., 1994, Pleistocene moraine sequences in different areas of glaciation in the Bolivian Andes: Zentralblatt für Geologie und Paläontologie, pt. 1, v. 1993, no. 1-2, p. 455-470.

Mercer, J.H., 1967, Glaciers of Bolivia and of Chile north of latitude 23ºS; in Southern Hemisphere glacier atlas: U.S. Army Natick Laboratories, Earth Sciences Laboratory, Series ES-33, Technical Report 67-76-ES, p. 65-81.

Messerli, Bruno, Grosjean, Martin, Graf, Kurt, Schotterer, Velli, Schreier, Hans, and Vuille, Mathias, 1992, Die Veränderungen von Klima und Umwelt in der Region Atacama (Nordchile) seit der letzten Kaltzeit [Climate and environmental change in the Atacama region (northern Chile) since the last ice age]: Erdkunde, v. 46, p. 257-272.

Nogami, M., 1976, Altitude of the modern snowline and Pleistocene snowline in the Andes: Tokyo Metropolitan University, Geographical Reports, no. 11, p. 71-86.

Ribstein, Pierre, Tiriau, Eric, Francou, Bernard, and Saravia, Ronald, 1995, Tropical climate and glacier hydrology; a case study in Bolivia: Journal of Hydrology, v. 165, no. 1-4, p. 221-234.

Schubert, Carlos, 1992, The glaciers of the Sierra Nevada de Mérida (Venezuela), a photographic comparison of recent deglaciation: Erdkunde, v. 46, p. 58-64.

Schulz, Georg, 1992, Schlüsselpositionen für die pleistozäne Schneegrenzableitung über Karböden zwischen 3300 und 4200 m ü.d.M. aus Peru und Bolivien [Key locations for determining the Pleistocene snowline by means of cirque floors between 3,300 and 4,200 m in Perú and Bolivia]: Zentralblatt für Geologie und Paläontologie, pt. 1, v. 1991, no. 6, p. 1723-1736.

Thompson, L.G., Davis, M.E., Mosley-Thompson, Ellen, Sowers, T.A., Henderson, K.A., Zagorodnov, V.S., Lin, P.-N., Mikhalenko, V.N., Campen, R.K., Bolzan, J.F., Cole-Dai, J., Francou, Bernard, 1988, A 25,000-year tropical climate history from Bolivian ice cores: Science, v. 282, no. 5385, p. 1858-1864.

Troll, Carl, 1942, Büsserschnee (Nieve de los Penitentes) in den Hochgebirgen der Erde [Snow penitents in the high mountains of the Earth]: Petermanns Geographische Mitteilungen, Ergänzungshefte [Supplement] no. 240, 103 p.

Troll, Carl, and Finsterwalder, Richard, 1935, Die Karten der Cordillera Real und des Talkessels von La Paz and die Diluvialgeschichte der zentralen Anden [The maps of the Cordillera Real and the valley of La Paz and the Pleistocene history of the Central Andes]: Petermanns Geographische Mitteilungen, v. 81, no. 11, p. 393-399, and no. 12, p. 445-455.

U.S. Board on Geographic Names, 1992, Gazetteer of Bolivia (2d ed.): Washington, D.C., Defence Mapping Agency, 719 p.