1. Simulation of Nitrogen Behaviour in Soils;Beek,1973
2. American Society for Agronomy No. 9,1965
3. Decomposition-models and the real world;Bunnell,1973
4. ABISKO—a generalized model for comparisons between tundra sites;Bunnell,1974
5. Mathematical simulation models of decomposition processes;Bunnell,1974