000 00291nam a2200121Ia 4500
008 160710s1997 xx 000 0 und d
082 _a628.1684 CAN
100 _aCANTER,L.W.
245 _aNitrates in Ground Water.
260 _bLewis Publication.
_c1997
300 _a263
942 _2ddc
_cB
999 _c57632
_d57632