000			00372nam a2200133 4500
008			160427b xsy||||| |||| 00| 0 eng d
082			_a631.7
100		1	_aHansen , vaughn e . _950807
245			_a Irrigation principles and practices / _cVaughn E Hansen .
250			_a4ed.
260			_aNew York : _bWiley, _c1979AD.
300			_a417P; _c23CM .
942			_2ddc _cBK
999			_c305244 _d305244