000 00410nam a2200133Ia 4500
008 140316s9999 xx 000 0 und d
082 _aFAO CONSERVATION
_b1976
100 _aFAO
245 _aConservation in arid and semi-arid zones
260 _aRome
_bFood and Agriculture Organization of the United Nations
_c1976
300 _a125
650 _aConservation in arid and semi-arid zones
942 _2ddc
_cREF
999 _c19218
_d19218