Notes on the geology of Tibet and adjacent areas; report of the American plate tectonics delegation to the People's Republic of China - Bally, A.W.; Allen, Clarence; Geyer, R.B.; Hamilton, W.B.; Hopson, C.A.; Molnar, P.H.; Oliver, J.E.; Opdyke, N.D.; Plafker, George; Wu, F.T. (Open-File Report, 1980)