000 00335nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aGattis, J.L.
245 _aWater conditioning
260 _aArkansas
260 _c1969
300 _a20 p.
440 _aNo. 512; Arkansas Agricultural
901 _pS18963
942 _cB
_2udc
999 _c136624
_d136624