Geochemistry in petroleum exploration / by Douglas W. Waples. Waples, W. Douglas. Organic geochemistry. Geochemical prospecting. Petroleum Geology. Natural gas Geology. TN871 .W28 1985 622.13 19 WAG Includes index. Bibliography: p. 217-223. Boston : International Human Resources Development, c1985. c1985. 1985 Text x, 232 p. : eng Geological sciences series. Geological sciences series.