000 00301nam a2200121Ia 4500
100 _aS V S Rana
020 _a81-203-2320-3
942 _cBK
245 _aEssentials of ecology and environmental science
260 _aPrentice-Hall of India, New Delhi
_c2003
082 _a301.3 Ran
300 _axi,368p
999 _c38283
_d38283