1. Characterization of unusual tetracyclic compounds and possible novel maturity parameters for Brazilian crude oils using comprehensive two-dimensional gas chromatography-time of flight mass spectrometry. (April 2017) Authors: Laakia, Jaakko; Casilli, Alessandro; Araújo, Bruno Q.; Gonçalves, Félix T.T.; Marotta, Elaine; Oliveira, Cleverson J.F.; Carbonezi, Carlos A.; Loureiro, Maria Regina B.; Azevedo, Débora A.; Aquino Neto, Francisco R. Journal: Organic geochemistry Issue: Volume 106(2017:May) Page Start: 93 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗