000
00290nam a2200109Ia 4500
005
20251007104509.0
008
251006s9999 xx 000 0 und d
245
0
_a
guide book to reserch data for arid zone derrlopmentunesco
260
_a
2ST.ED | PARIS UNESCO
260
_c
1957
942
_c
BOK
999
_c
8429
_d
8429