No Species Found

No species in the database contian data from the requested reference: Gill, J.P.; Evershed, R.P.; Chicarelli, M.I.; Wolff, G.A.; Maxwell, J.R.; Eglinton, G., Computerised capillary gas chromatographic-mass spectrometric studies of the petroporphyrins of the gilsonite bitumen (EOCENE, U.S.A.), J. Chromatogr., 1985, 350, 37-62, https://doi.org/10.1016/S0021-9673(01)93506-X .