1. Science Under Sarcity: Principles and Practice for Agricultural Research Evaluation and Priority Setting,1995
2. Brethour, C., 1999. An economic evaluation of the farm and off-farm effects of pesticide reduction research. Unpublished M.Sc. thesis, Department of Agricultural Economics and Business, University of Guelph.
3. Estimating the marginal productivity of agricultural pesticides: the case of tree fruit farms in the Okanagan Valley;Campbell;Canadian Journal of Agricultural Economics,1976
4. Long-run productivity of insecticides;Carlson;American Journal of Agricultural Economics,1977
5. Carrasco-Tauber, C., 1990. Pesticide production: a survey. In: Zilberman, D., Diebert, J.B. (Eds.), Economic Perspectives on Pesticide Use in California (Working Paper No. 564). Department of Agricultural and Resource Economics, University of California, Berkeley.