000 00299nam a2200133Ia 4500
008 180721s9999 xx 000 0 und d
020 _a81-7754-175-7
100 _aArora S
245 0 _aFundamentals of environmental biology
260 _bNil
260 _c1996
365 _b0.00
942 _cBK
999 _c124507
_d124507