000 00334nam a2200121Ia 4500
001 MPKV060954
008 120911s9999 xx 000 0 und d
082 _a576.64
245 _aEnvironmental Letters Vol.8
_c;
246 _aEnvironmental Letters Vol.8
260 _aNew York
_bMarcel Dekker Inc.
_c1975
650 _aEnvirnmental Science
999 _c58940
_d58940