1. Alexander, R., Larcher, A. V. and Kagi, R. I. (1992) An oil-source correlation study using age specific plant-derived aromatic biomarkers. Biological Markers in Sediments and Petroleum (Moldowan, J. M. P., Albrecht, P. and Philps, R. P., eds.), 201-221, Prentice Hall, Englewood Cliffs.
2. Alexander, R., Bastow, T. P., Fisher, S. J. and Kagi, R. I. (1993) Tetramethylnaphthalenes in crude oils. J. Polycyclic Aromatic Compounds 3, 629-634.
3. Alexander, R., Bastow, T. P., Fisher, S. J. and Kagi, R. I. (1995) Geosynthesis of organic compounds: II. Methylation of phenanthrene and alkylphenanthrenes. Geochim. Cosmochim. Acta 59, 4259-4266.
4. Bastow, T. P., Alexander, R., Sosrowidjojo, I. B. and Kagi, R. I. (1998) Pentamethylnaphthalenes and related compounds in sedimentary organic matter. Org. Geochem. 28, 585-596.
5. Bastow, T. P., van Aarssen, B. G. K., Alexander, R. and Kagi, R. I. (1999) Biodegradation of aromatic land-plant biomarkers in some Australian crude oils. Org. Geochem. 30, 1229-1239.