00278nam a2200109Ia 4500008004100000082001500041100001300056245004700069250000900116260003500125300000800160240913s9999||||xx |||||||||||||| ||und||  a590  VER/A  aPS Verma 2aA Manual of Practical zoology invertebrtes  aNULL  bS Chand and CoaNew Delhic497  a497