00278nam a2200109Ia 450000500170000000800410001708200150005810000170007324500390009026000310012930000080016020260224041000.0260224s9999||||xx |||||||||||||| ||und|| a668.65 HAN aHanda, S.K.  0aPrinciples of pesticide chemistry. aNew Delhi: Agrobios c2004 a309