000 002830000a22001210004500
008 140223b1987 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:WB
245 _aEFFICIENT USE OF WATER IN IRRIGATION
260 _aWASHINTON
_bWB
_c1987
650 _a
_a
906 _a:WB
999 _c131414
_d131414