00296nam a2200109Ia 4500008004100000082001300041100002500054245004000079260002900119300001000148650002800158140113s9999    xx            000 0 und d  a632.7 K9  a" Pruthi, Hem Singh"  aTextbook of agricultural entomology  b"New Delhi : ICAR, 1969"  a977p.  aAgricultural entomology