000 00373nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aHouston, C.E., Schade, R.O.
245 _aIrrigation return-water systems
260 _aCalifornia
260 _c1966
300 _a0.791666667
440 _aNo. 542; California Agricultural
901 _pS13190
942 _cB
_2udc
999 _c126116
_d126116