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005 20151030113010.0
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035   $a(CKB)5470000002480128
035   $a(OCoLC)927169923
035   $a(EXLCZ)995470000002480128
100   $a20151030d1991      ua             0
101 0 $aeng
181   $2rdacontent
182   $2rdamedia
183   $2rdacarrier
200 10$aISDN conformance testing, layer 1 - physical layer /$fShukri A. Wakid, Kathleen M. Roberts
210  1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1991.
215   $a1 online resource
225 1 $aNIST special publication ;$v500-194
300   $a1991.
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
300   $aTitle from PDF title page.
320   $aIncludes bibliographical references.
700   $aWakid$b Shukri A$01394985
701   $aRoberts$b Kathleen M$01386468
701   $aWakid$b Shukri A$01394985
712 02$aNational Institute of Standards and Technology (U.S.)
801  0$bNBS
801  1$bNBS
801  2$bGPO
906   $aBOOK
912   $a9910711187903321
996   $aISDN conformance testing, layer 1 - physical layer$93496296
997   $aUNINA