RELATIONSHIP OF PALYNOMORPH TRANSLUCENCY TO CARBON AND HYDROCARBONS IN CLASTIC SEDIMENTS.GRAYSON JF.1975; IN: PETROGR. MATIERE ORG. SEDIMENTS, RELAT. PALEOTEMP. POTENTIEL PET. COLLOQ. INT.; PARIS; 1973; PARIS C.N.R.S.; 1975, P. 261 A 273Miscellaneous

MICROSPECTROFLUORESCENCE AND KEROGEN LIQUEFECATION = MICROSPECTROFLUORESCENCE ET LIQUEFACTION DU KEROGENEGRAYSON JF.1981; ORGANIC MATURATION STUDIES AND FOSSIL FUEL EXPLORATION. SYMPOSIUM INTERNATIONAL PALYNOLOGICAL CONFERENCE. 5/1980/CAMBRIDGE; GBR; LONDON: ACAD. PRESS; DA. 1981; PP. 343-349; ILL.Conference Paper