000 00320nam a2200121Ia 4500
008 151015s9999 xx 000 0 und d
020 _a9251031614
245 _aCost control in forest harvesting and road construction
260 _c1992
300 _avi 105p.
500 _aFAO forestry paper no- 99
942 _cFAO
_2udc
999 _c24400
_d24400