1. Assessment of Plant Diseases and Losses
2. USDA Handbook #291,1965
3. Chiarappa, L., Shuyler, H. R. and Van der Graaff, N. A. International cooperation in crop and food loss assessment. Proc. E. C. Stakman Commem. Symposium on Crop Loss Assessment. August20–231980, Minneapolis, MN. Edited by: Teng, P. S. and Krupa, S. V. pp.186Agric. Exper. Stat., University of Minnesota. Misc. Publ. 7