00294nam a2200133Ia 4500020001800000082001000018100001600028245002800044250000600072260006000078300000800138500000800146650000600154  a0-07-042147-1  a574.5  aDash, M. C. 0aFundamentals of Ecology  a-  aN. DelhibTata McGraw - Hill Publishing Company Limited  a525  a184  a-