000 00494nam a22001817a 4500
999 _c4006
_d4006
003 Ost
005 20190715145657.0
008 190715b ||||| |||| 00| 0 eng d
020 _a0821340670
040 _cBT-PhCST
050 _a0
082 _222
_a627.52068
100 _aNA
245 _aPlanning the management, operation, and maintenance of irrigation and drainage systems /
260 _bWashington ; The World Book,
_cc 1998.
300 _axi, 120p, ;
_bNA
_c24 cm.
942 _2ddc
_cMAG