MOLECULAR EVIDENCE FOR THE BIOGENESIS OF PETROLEUM AND NATURAL GASWHITEHEAD EV.sdIN: PROC. SYMP. HYDROGEOCHEM. BIOGEOCHEM.; TOKYO; 1970; WASHINGTON D.C. CLARKE CO. ,1973, VOL. 2, P. 158 A 211Miscellaneous

THE STRUCTURE OF PETROLEUM PENTACYCLANES.WHITEHEAD EV.1974; IN: ADV. ORG. GEOCHEM. PROC. 6TH INT. MEET. ORG. GEOCHEM.; RUEIL-MALMAISON; 1973; PARIS TECHNIP; 1974, P. 225 A 243Miscellaneous

PENTACYCLIC TRITERPANES FROM PETROLEUM AND THEIR SIGNIFICANCE.HILLS IR; WHITEHEAD EV.1970; INTERNATION. SER. MONOGR. EARTH SCI; GBR; 1970, VOL. 32, P. 89 A 110Miscellaneous

CRUDE PETROLEUM.SPEERS GC; WHITEHEAD EV.1969; ORGANIC.GEOCHEMISTRY-ED.BY.G.EGLINTON.AND.M.T.J.MURPHY-SPRINGER.VERLA; 1969, P. 638 A 675Miscellaneous

THE ISOLATION OF STERANES FROM GREEN RIVER OIL SHALE.ANDERSON PC; GARDNER PM; WHITEHEAD EV et al.1969; GEOCHIM. COSMOCHIM. ACTA; GBR; 1969(10), VOL. 33, NUM. 0010, P. 1304 A 1307Miscellaneous

FIRST PROOF OF STRUCTURE OF A C₂₈-PENTACYCLIC TRITERPANE IN PETROLEUM.SEIFERT WK; MOLDOWAN JM; SMITH GW et al.1978; NATURE; G.B.; DA. 1978; VOL. 271; NO 5644; PP. 436-437; BIBL. 17 REF.Article