000			00362nam a2200133Ia 4500
008			151015s9999 xx 000 0 und d
020			_a9251008272
100			_aGregersen, Hans M. ; Contreras, Arnoldo H.
245			_aEconomic analysis of forestry projects
260			_c1979
300			_axv 193p.
500			_aFAO forestry paper no- 17
942			_cFAO _2udc
999			_c24107 _d24107