000 00309nam a22001337a 4500
003 OSt
008 240218b |||||||| |||| 00| 0 eng d
082 _aR634.9
_bF60C
100 _aF. A. O
245 _aConservation in arid and semi arid zones
260 _FF. A. O
_c1976
300 _a125
942 _2ddc
_cBK
999 _c37360
_d37360