000 00281nam a2200121Ia 4500
008 200512s9999 xx 000 0 und d
082 _a615.1
100 _aSinha (S)
245 0 _aText book of Environment and Ecology
250 _a3
260 _bAITBS
_c2019
650 _aEcology
999 _c44786
_d44786