000			00378nam a2200157Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a471084492
041			_aen
082			_a631.7
100			_aVaughn E. Hansen
245		0	_aIrrigation principles and practices.
250			_a4th Ed.
260			_aNew York. _bJohn Wiley & Sons. _c1979
300			_a417p.
942			_cSR
999			_c77654 _d77654