Symposium on Current Practices in Ground Water and Vadose Zone Investigations San Diego, Calif, American Society for Testing and Materials, ASTM Committee D-18 on Soil and Rock, United States. Environmental Protection Agency, Geological Survey (U.S.), Nielsen, D., & Sara, M. N. (1992). Current practices in ground water and vadose zone investigations David M. Nielsen and Martin N. Sara, editors. American Society for Testing and Materials.
Chicago Style (17th ed.) CitationSymposium on Current Practices in Ground Water and Vadose Zone Investigations San Diego, Calif, American Society for Testing and Materials, ASTM Committee D-18 on Soil and Rock, United States. Environmental Protection Agency, Geological Survey (U.S.), David Nielsen, and Martin N. Sara. Current Practices in Ground Water and Vadose Zone Investigations David M. Nielsen and Martin N. Sara, Editors. Philadelphia, Pa.: American Society for Testing and Materials, 1992.
MLA (9th ed.) CitationSymposium on Current Practices in Ground Water and Vadose Zone Investigations San Diego, Calif, et al. Current Practices in Ground Water and Vadose Zone Investigations David M. Nielsen and Martin N. Sara, Editors. American Society for Testing and Materials, 1992.