000 00541nam a22002057a 4500
999 _c20035
_d20035
003 OSt
005 20190908082155.0
008 181213b ||||| |||| 00| 0 ben d
020 _a92-3-101237-1
040 _cOSt
_aOSt
_beng
_dOSt
082 _a631.42 / U3s
110 _aUnesco.
_9250750
245 _aThe Sahel :
_becological approaches to land use.
260 _a Paris :
_bUnesco,
_c1975.
300 _a99 p. ;
_c27 cm.
490 _aMAB technical note.
508 _a336
650 _aLand use technique
_9250751
942 _2ddc
_cBK