LEADER 01710oam 2200553 450 001 9910717249703321 005 20220322085451.0 035 $a(CKB)5470000002529729 035 $a(OCoLC)681850601$z(OCoLC)626211566 035 $a(EXLCZ)995470000002529729 100 $a20101117d1969 ua 0 101 0 $aeng 135 $aurbn||||||abp 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aLocating lumber defects by ultrasonics /$fby Kent A. McDonald, Roger G. Cox, and Erwin H. Bulgrin 210 1$aMadison, Wisconsin :$cU.S. Department of Agriculture, Forest Service, Forest Products Laboratory,$d1969. 215 $a1 online resource (12 pages) $cillustrations 225 1 $aU.S.D.A. Forest Service research paper ;$vFPL 120 300 $a"October 1969." 320 $aIncludes bibliographical references (page 11). 606 $aLumber$xInspection 606 $aUltrasonic testing 606 $aLumber$xInspection$2fast 606 $aUltrasonic testing$2fast 615 0$aLumber$xInspection. 615 0$aUltrasonic testing. 615 7$aLumber$xInspection. 615 7$aUltrasonic testing. 676 $a674/.008 s 676 $a674/.132 700 $aMcDonald$b Kent A.$01416334 702 $aCox$b Roger G. 702 $aBulgrin$b Erwin H. 712 02$aForest Products Laboratory (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCF 801 2$bOCLCO 801 2$bOCLCQ 801 2$bOCLCO 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910717249703321 996 $aLocating lumber defects by ultrasonics$93521348 997 $aUNINA