000			00683nam a2200217Ia 4500
008			130910s9999 xx 000 0 und d
041			_aeng
082			_221st ed. _a634.9723 _bDEB/A
245			_aAspen : _becology and management in the Western United States _cedited by Norbert V. DeByle and Robert P. Winokur
260			_aUnited States : _bUnited States Department of Agriculture , _cn. d.
300			_a272 p.
504			_aIndex: p. 273-82.
653			_aEcology
653			_aForest trees
653			_aManagement
653			_aPopulus tremuloides
653			_aWinokur _aRobert P., ed.
653			_aWood Utilization
700			_aDeByle, Norbert V., ed.
942			_cEN _2ddc
999			_c15930 _d15930