000 00254nam a2200109Ia 4500
008 200129s9999 xx 000 0 und d
082 _aDE,-E
100 _aDE, A.K.
245 0 _aENVIRONMENTAL CHEMISTRY
260 _bKRISHNA PRAKASHAN
_c2000
942 _cREF
999 _c2204
_d2204