000 00347nam a2200145Ia 4500
008 140317s9999 xx 000 0 und d
082 _a333.7
100 _aUNESCO
245 _aLand use semi-arid mediterranean climates.Symp.
260 _aParis
_bUNESCO
_c1964
300 _a170
650 _aEconomics
653 _aEconomics
942 _2ddc
_cBK
999 _c4771
_d4771