1. Natural control in cabbage root fly populations and influence of chemicals;Abu Yamen;Meded. Landbouwhogesch. Wageningen,1960
2. The distribution and abundance of animals;Andrewartha,1954
3. Erste Ergebnisse einfacher stochastischer Modelluntersuchungen über die Ursachen der Populations-bewegung des grauen Lärchenwicklers Zeiraphera diniana Gn. (= Z. griseana Hb.) im Oberengadin, 1949/66;Auer;Z. Angew. Entomol.,1968
4. Backgrounds of controversies about population theories and their terminologies;Bakker;Z. Angew. Entomol.,1964
5. The cyclic population dynamics of the grey larch tortrix Zeiraphera griseana Hübner (= Semasia diniana Guenée) (Lepidoptera: Tortricidae);Baltensweiler,1968