1. Tropische Nutzpflanzen. Ursprung, Evolution und Domestikation;Brücher,1977
2. Evolution of Crop Plants;Simmonds,1976
3. Tropical Crops, Monocotyledons;Purseglove,1972
4. An Introduction to Phytopharmacy;Rose,1977
5. Quantitative Structure-Activity Relationships and Carminative Activity