1. Distributed delay routines;Abkin,1976
2. Uebersicht über die Analyse des Apfelbaumökosystems in der Schweiz;Baumgärtner;Schweiz. Landwirtsch. Forsch.,1985
3. Weather, dry matter production and yield;Biscoe,1977
4. Evaluation of the PETE phenology modeling system for integrated pest management of deciduous tree fruit species;Croft;Bull. Entomol. Soc. Am.,1983
5. Systems Simulation in Agriculture;Dent,1979