000
00309nam a22001337a 4500
003
OSt
008
240218b |||||||| |||| 00| 0 eng d
082
_a
R634.9
_b
F60C
100
_a
F. A. O
245
_a
Conservation in arid and semi arid zones
260
_F
F. A. O
_c
1976
300
_a
125
942
_2
ddc
_c
BK
999
_c
37360
_d
37360