@article{794786, author = {L.R. Hilpert and Willie May and Stephen Wise and S. Chesler and Harry Hertz}, title = {Interlaboratory Comparison of Determination for Trace Level Petroleum Hydrocarbons in Marine Sediments}, year = {1978}, number = {50}, month = {1978-12-01 00:12:00}, publisher = {Analytical Chemistry}, language = {en}, }