000 00297nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aOnson W.Ioraelsen
245 0 _aIrrigation of Principles and practices
260 _bJohn wiley & sons
260 _c1962
365 _b40.50
942 _cBK
999 _c197250
_d197250