Beasley, Dolores. NASA Details Earthquake Effects on the Earth. National Aeronautics and Space Administration (press release). 2005-01-10. (原始内容存档于2011-01-27)
from the March 1970 issue of Astronautics & Aeronautics, a publicaion of the American Institute of Aeronautics and Astronautics.. Washington, D.C.: Scientific
Operations: 13+ Years of International Cooperation. American Institute of Aeronautics and Astronautics. 2004 [2006-11-28]. (原始内容存档于2015-11-06). Lasher, Lawrence