Douglas A G Ed. Proceeding on advances in organic geochemistry Douglas A G Ed.; Maxwell J R Ed. - Oxford Pergamon Press 1980 - xv, 784p. cm. - International series in earth sciences; 36 . Standard No.: 46773 Source: Textual Subjects--Topical Terms: Geochemistry Dewey Class. No.: H:E:5p1:N79, M0