000 00380nam a2200145Ia 4500
008 180712s9999 xx 000 0 und d
020 _a8176250430
082 _a333.7
_bGUP
100 _aGUPTA, Sunit
245 _aNatural resource Management (Need for 21st century)
260 _aNew Delhi
_bSarup & sons
_c1998
300 _a442 p.
650 _aNatural resources
942 _cR
999 _c28720
_d28720