000 00363nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a8188342556
082 _a628.53 S617
100 _aSINGH,J.S. & OTHERS
245 0 _aECOLOGY ENVIRONMENT AND RESOURCE CONSERVATION
260 _aNEW DELHI
_bANAMAYA
_c2008
300 _axxvii+688P,.24x17Cms
942 _cBK
_2DDC
999 _c37742
_d37742