000 00492nam a22002177a 4500
015 _a5387
020 _a0853234647
041 _a1
080 _a626.81:33
_bCAR
100 _aCarruthers, I.
100 _aClark, C.
245 _aThe economics of irrigation
260 _aELBS
_bLondon
_c1983
300 _a300p.
_bfig.
650 _aEngineering
852 _a4R5-2
999 _c3199
_d3199