000 00316nam a2200133Ia 4500
008 160316s1992 xxu||||| |||| 00| 0 eng d
020 _a
100 _aS. Arora
245 _aFundamentals Of Environmental Biology
250 _a1st
260 _aNEW DELHI
_bKALYANI PUBLISHERS
_c1992
300 _a294
700 _a
_a
999 _c11405
_d11405