000 00412nam a2200145Ia 4500
008 180713s9999 xx 000 0 und d
082 _a577 S2
100 _a"Singh, J S "
245 0 _aEcology Environmental Science and Conservation
260 _aDelhi
260 _b S Chand
260 _c2015
365 _b700
942 _cBK
999 _c115056
_d115056