00357nam a2200145Ia 4500008004000000020001800040041000800058082001500066100001700081245004100098250000500139260004500144300001000189650001200199210210b1994   xxu||||| |||| 00| 0 eng d  a0 7069 8676 8  aeng  a574.5 KUMM  aKUMAR (H D).  aModern concepts of ecology. Rev Ed.7  a  aNDbVikas publishing house pvt ltdc1994  ax,377  aEcology