References
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- University of California Cooperative Extension . May 1978 . Agricultural Chemicals News and Report No. 105 May ,
- State of California Department of Food and Agriculture . 1975 . Pesticide Use Report by Commodity
- Winterlin , W. , Kilgore , W. , Mourer , C. , Mull , R. and Walker , G. 1978 . Bull. Environ. Contam. Toxicol. , 20 : 255 – 260 .
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- Faculty of Agricultural Sciences, American University of Beirut, Beirut, Lebanan.