000			00360nam a2200157Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a471084492
041			_aen
082			_a631.7
100			_aHANSEN
245		0	_aIRRIGATION PRINCIPLES AND PRACTISES
250			_a4th
260			_aAmerica _bJohn wiley & sons _c1979
300			_a417p.
942			_cSR
999			_c77658 _d77658