1. Petroleum geochemistry of the Tarragona Basin (Spanish Mediterranean off-shore);Albaiges;Org. Geochem.,1986
2. The biochemistry of some biodegraded Australian oils;Alexander;APEA J.,1983
3. Compuestos triterpénicos y esteránicos de los crudos de petróleo del campo de Varadero;Campos,1988
4. Biodegradation of crude oil in reservoirs;Connan,1984
5. The microbial input in carbonate-anhydrite facies of a sabkha paleoenvironment from Guatemala: a molecular approach;Connan,1986