LEADER 01323aam  2200385I  450 
001 9910710209803321
005 20160318082757.0
024 8 $aGOVPUB-C13-8dd5a210aaf11d08602cbb79590162e1
035   $a(CKB)5470000002477193
035   $a(OCoLC)945070873
035   $a(EXLCZ)995470000002477193
100   $a20160318d1983      ua             0
101 0 $aeng
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 13$aAn evaluation of exit symbol visibility /$fBelinda L. Collins; Neil D. Lerner
210  1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1983.
215   $a1 online resource
225 1 $aNBSIR ;$v83-2675
300   $a1983.
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
300   $aTitle from PDF title page.
320   $aIncludes bibliographical references.
700   $aCollins$b Belinda Lowenhaupt$01390303
701   $aCollins$b Belinda Lowenhaupt$01390303
701   $aLerner$b Neil D$01397254
712 02$aUnited States.$bNational Bureau of Standards.
801  0$bNBS
801  1$bNBS
801  2$bGPO
906   $aBOOK
912   $a9910710209803321
996   $aAn evaluation of exit symbol visibility$93545959
997   $aUNINA