1. May RM: Theoretical Ecology. 1981, Oxford, Blackwell
2. Krebs CJ: Ecology. 2001, San Francisco, Benjamin Cummings, 5
3. Koehler J, Leonhaeuser IU: Changes in food preferences during aging. Ann Nutr Metab. 2008, 52 (suppl 1): 15-19. 10.1159/000115342.
4. Meyer-Rochow VB: The diverse uses of insects in traditional societies. Ethnomed. 1978, 5: 287-300.
5. Heim E: Zum Thema Nahrungs-Tabus. Ernähungs-Umschau. 1972, 20: 109-111.