000 00617nam a22002057a 4500
015 _a5084
041 _a1
080 _a626.861
_bFRA
100 _aFramji, K. K.
100 _aGarg, B. C.
245 _aDesign practices of open drainage channels in an agricultural land drainage system
_ba world-wide survey (first draft)
260 _aInternational commission on irrigation & drainage
_bNew Delhi
_c1981
300 _a383p.
_bfig., table, chart
650 _aEngineering
852 _a4R4-2
999 _c3363
_d3363