00509nam a2200169 a 450000100080000000500110000800800410001910000190006024500830007926000680016230000080023049000430023865000120028165300120029365300130030570000210031812915452009-06-29       1981    bl uuuu     u0uu1 u    #d1 aHARPOLE, G. B.  aInvestment opportunityba scanning-ultrasonics cut stock manufacturing system.  aMadison: USDA. Forest Service, Forest Products Laboratoryc1981  a7p.  a(USDA. For. Serv. Res. Paper FPL-390).  aMadeira  aDefeito  aDeteccao1 aMACDONALD, K. A.