1. Leaf anatomy of Weichselia based on fusainized material;Alvin;Palaentology,1974
2. Electron spin resonance study of pure macerals;Austen,1966
3. Degradation of plant tissues in organic sediments;Barghoorn;J. Sediment. Pet.,1952
4. Wealden palaeoecology from the distribution of plant fossils;Batten,1975
5. Thermal degradation of wood components;Beall;United States Dept. Agriculture Forest Research Paper FPL 130,1970