000 00267nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aA.K. TRIPATHI
245 0 _aECOLOGY AND THE ENVIRONMENT
260 _bNil
260 _c1993
365 _b400.00
942 _cBK
999 _c160824
_d160824