Suggested citation and version history for Lee, W.H.K., Igel, Heiner, Todorovska, Maria I., and Evans, John R., 2007. Rotational Seismology; AGU Session, Working Group, and Website: U.S. Geological Survey Open-File Report 2007-1263, 7 p. [http://pubs.usgs.gov/of/2007/1263/]. Version 1.0, October 18, 2007 Initial release online at http://pubs.usgs.gov/of/2007/1263/