000 00284nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aTrivedi R.R.
245 0 _aEcology and Environment
260 _cAPH Publishing Corp., New Delhi
365 _b0
650 _aNIL
942 _cBK
999 _c107561
_d107561