000 00262nam a2200109Ia 4500
008 140122s9999 xx 000 0 und d
082 _a614 Iyer C.S.
100 _aIyer C S P
245 _aAdvances in environmental science
260 _b
_c1997
942 _cBK
_2ddc
999 _c7035
_d7035