1. van Aarssen B. G. K. (1992) Structural assignment and catagenetic behaviour of macromolecular constitutents of recent and fossil natural resins. PhD thesis (University of Delft, The Netherlands).
2. A cadinene biopolymer in fossil and extant dammar resins as a source for cadinanes and bicadinanes in crude oils from South East Asia
3. Structural elucidation of polymeric diterpenoids in fossil gymnosperm resins by means of pyrolysis combined with GC-MS;van Aarssen;Preprints of the American Chemical Society, Division of Fuel Chemistry,1992
4. High-molecular-mass substances in resinites as possible precursors of specific hydrocarbons in fossil fuels
5. van Aarssen B. G. K. De Leeuw Collinson M. E. Boon J. J. Goth K. Occurrence of polycadinene in fossil and recent resins. Geochimica et Cosmochima Acta, in press.