00289nam a2200109Ia 4500008004100000082002100041100001300062245004400075250001200119260004000131300000800171240913s9999||||xx |||||||||||||| ||und||  aGS    570  SWA/L  aN Swarup 0aLaboratory Techniques in Modern Biology  a2nd Ed.  bKalyani PublishersaNew Delhic1992  a472