000 00309nam a2200121Ia 4500
008 151015s9999 xx 000 0 und d
020 _a9251028095
245 _aArid zone forestry a guide for field technicians
260 _c1989
300 _aii 136p.
500 _aFAO consevation guide
942 _cFAO
_2udc
999 _c25197
_d25197