8Noel D Uri. Development and use of Biopesticides: Implications of Government Policy and Consumers' Preference[J]. Technological forecasting and Social Change, 1998,59:291-304.
9Kramer K J, Koga D. Insect chitin: physical state, synthesis, degradation and metabolic regulation[J]. Insect Bichem, 1986,16:851-877.
10Kramer K J, Muthukrishnan S, Johnson L, et al. Chitinases for insect control. Advances in Insect Control[J]. The role of Transgenic Plants[M]. Washington, D.C. : eds N. Carozzi and M. Koziel. , Taylor and Francis Publishers, 1997
