na INLIS000000000003816 20211006024405 0010-0621000102 211006 0 eng Biological methods in crop pest control / George Ordish Ordish, George London : Contable and Company, 1967 242 p.: ill. ; 22 cm. 632.737 ORD b 632.737 FOOD CROPS CULTIVATION 102/KA/2021