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100   $a20100305d1972      ua             0
101 0 $aeng
135   $aurun||||a|a||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe development of Loran-C navigation and timing /$fGifford Hefley
210  1$aWashington, D.C. :$cU.S. Dept. of the Commerce, National Bureau of Standards :$cG.P.O.,$d1972.
215   $a1 online resource (xii, 144 pages) $cillustrations
225 1 $aNBS monograph ;$v129
320   $aIncludes bibliographical references (pages 141-144).
606   $aLoran
606   $aLoran$2fast
615  0$aLoran.
615  7$aLoran.
676   $a623.89/32
686   $a55.40$2bcl
700   $aHefley$b Gifford$01392620
712 02$aUnited States.$bNational Bureau of Standards.
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bAZU
801  2$bOCLCO
801  2$bOCLCQ
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801  2$bOCLCQ
906   $aBOOK
912   $a9910712912203321
996   $aThe development of Loran-C navigation and timing$93447618
997   $aUNINA