1. National Academy of Sciences. 1975. Pest Control: an assessment of present and alternative technologies, Vol. 1. Contemporary pest control practices. Washington, D.C., National Academy of Sciences.
2. Council on Environmental Quality and the U.S. Department of State. 1980. The Global 2000 report to the President: Entering the twenty-first century, Vol. 1. Washington, D.C., Council on Environmental Quality and U.S. Department of State.
3. Meadows DH and Meadows DL. 1972. The limits to growth. New York, Universe Books.
4. Pimental D. 1981. CRC Handbook of pest management in agriculture, Vol. 1. Boca Raton, CRC Press.
5. Adkisson PL. 1981. The approaching crisis in sustaining high-yielding agricultural systems. Plant Disease 65: 940–942.