000 00279nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aELDON D. ENGES; BRADLY F. SMITH
245 0 _aENVIRONMENTAL SCIENCE
260 _bNil
260 _c2000
365 _b185.00
942 _cBK
999 _c163292
_d163292