Geotechnical investigations at strong-motion stations in the Imperial Valley, California /
Ronald L. Porcella.
APA Citation
Porcella, R. L. (1984). Geotechnical investigations at strong-motion stations in the Imperial Valley, California. [Menlo Park, Calif.]: U.S. Geological Survey.
MLA Citation
Porcella, R. L. Geotechnical Investigations At Strong-motion Stations In the Imperial Valley, California. [Menlo Park, Calif.]: U.S. Geological Survey, 1984.
Warning: These citations may not always be complete (especially for serials).