000 00276nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aRobert Chambers
245 0 _aManagring canal Irrigation
260 _bOxford & IBH
260 _c1988
365 _b36.00
942 _cBK
999 _c136689
_d136689