000 00296nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aDavis (Standley N) et al.
245 0 _aIntroduction to ground-water Tracers
260 _bScientific Pub
260 _c1990
365 _b200
942 _cBK
999 _c217738
_d217738