00878nam a2200301 a 450000100080000000500110000800800410001910000130006024501030007326000700017630000090024649000440025565000180029965000170031765000180033465000190035265000090037165000180038065000130039865000100041165000120042165300240043365300270045765300230048465300270050765300240053470000180055812955412006-03-07 1991 bl uuuu 00u1 u #d1 aKOCH, P. aSpiral grain and annual ring width in natural unthinned stands of lodgepole pine in North America. aOgden: USDA. Forest Service. Intermountain Research Stationc1991 a55p. a(USDA. For. Serv. Res. Paper. INT, 449) aforest stands agrowth rings aNorth America aPinus contorta awood awood products aAnatomia aCerne aMadeira aAnel de crescimento aCrescimento em espiral aDefeito da madeira aPovoamentos florestais aProdutos da madeira1 aSCHLIETER. J.