000 00281nam a2200121Ia 4500
008 151015s9999 xx 000 0 und d
020 _a9250008104
245 _aAgris forestry
260 _c1979
300 _axiii 138p.
500 _aFAO Forestry paper no- 15
942 _cFAO
_2udc
999 _c23879
_d23879