000			00301 a2200109 4500
082			_a631.7 _bKRI
100			_aKraatz, D.B. _9108826
245			_aIrrigation canal lining _cD.B. Kraatz,
260			_aRome: _bFood And Agriculture Organization of The Unitted Nations, _c1977.
300			_a199p
942			_cBK
999			_c57298 _d57298