1. Isolation and characterization of natural surfactants from extra heavy crude oils, asphaltenes and maltenes. Interpretation of their interfacial tension-pH behaviour in terms of ion pair formation;Acevedo;Fuel,1992
2. Amsterdam Method Series. The leaching behaviour of PAC from bitumen, static leaching test, AMS 1065-1. (Available from Shell Research and Technology Centre Amsterdam, SIOP OGMB, P.O. Box 38000, 1030 BN, Amsterdam.)
3. Amsterdam Method Series. Determination of polycyclic aromatic compounds in condensed bitumen fumes, AMS 1057-1. (Available from Shell Research and Technology Centre Amsterdam, SIOP OGMB, PO Box 38000, 1030 BN Amsterdam.)
4. Sampling and analysis of bitumen fumes;Brandt;Ann. Occup. Hyg.,1985
5. Leaching of pollutants from reclaimed asphalt pavement;Brantley;Environ. Eng. Sci.,1999