Advances in organic geochemistry : proceedings of the third international congress - International Meeting on Organic Geochemistry 1966 : London); Hobson, G. D. (George Douglas), 1910-; Speers, G. C.; Geochemical Society. Organic Geochemistry Group. European Branch (Oxford, UK : Pergamon, 1970)
Includes bibliographies
Keywords: Geochemistry -- Congresses; Chemistry, Organic -- Congresses