000 00310nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aJaswant Singh
245 0 _aNatural resource management and conservation
260 _b"Kalyani publishers, New Delhi"
260 _c0
365 _b160.00
942 _cBK
999 _c156915
_d156915