000 00283nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a333.90905
_bGUP
100 _aGupta, Sunit
245 _aNatural resource management : need for 21st century
260 _bSarup
_aNew Delhi
_c1998
999 _c135876
_d135876