1. Anonymous (1988) In: Agricultural resources, inputs, situation and outlook report AR-9. USDA Econ Res Serv, Washington, p 16
2. Arntzen CJ, Duesing JH (1983) In: Ahmand F, Downey K, Schultz J, Voellmy RW (eds) Advances in gene technology. Academic Press, New York, p 273
3. Beyer EM, Duffy MJ, Hay JV, Schlueter DD (1988) In: Kearney PC, Kaufmann DD (eds) Herbicides: chemistry, degradation and mode of action. Vol 3. Dekker, New York, p 117
4. Brown MA, Chiu TY, Miller P (1987) Pestic Biochem Physiol 27:24
5. Burke JJ, Gamble PE, Hatfield JL, Quisenberry JJ (1985) Plant Physiol 79:415