000 00450 a2200181 4500
020 _a0821323121
041 _aEn
082 _a631.62
_bOCH
100 _aOchs Walter J.
245 _aDrainage guidelines
260 _c1992
_aWashington
_bThe World Bank
_g1992
300 _c28cm.
_av , 186 p.
440 _arld bank technical paper number 19
650 _aAgriculture
650 _a Drainage
700 _aBishay, Bishay G.
942 _s1
_cSR
999 _c22937
_d24484