QUIRKE, JME, EGLINTON, G, MAXWELL, JR. (1980). ChemInform Abstract: PETROPORPHYRINS. 1. PRELIMINARY CHARACTERIZATION OF THE PORPHYRINS OF GILSONITE
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11(12), no-no. 10.1002/chin.198012340
QUIRKE, JME, EGLINTON, G, MAXWELL, JR. (1980). ChemInform Abstract: PETROPORPHYRINS. 1. PRELIMINARY CHARACTERIZATION OF THE PORPHYRINS OF GILSONITE
. 11(12), no-no. 10.1002/chin.198012340