000 00437cam a2200157ua 4500
041 _aeng
_h
082 _a631.5872
_bSAG/OR
100 _aSagardoy, J A .
245 _aOrganization Operation And Maintenance of irrigation schemes /
_cJ A Sagardoy.
_hTextual Documents
250 _a1 /
_b.
260 _aUN (Rome) :
_bFood&agriculture organisation ,
_c1986.
300 _a166 ; .
504 _a
942 _cBK
999 _c6879
_d6879