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035   $ab12306459-39ule_inst
035   $aARCHE-035400$9ExL
040   $aBiblioteca Interfacoltà$bita$cA.t.i. Arché s.c.r.l. Pandora Sicilia s.r.l.
082 04$a378.489
100 1 $aStybe, Svend Erik$0453789
245 10$aCopenhagen University :$b500 years of science and scholarship /$cSvend Erik Stybe
260   $aCopenhagen :$bThe Royal Danish Ministry of Foreign Affairs,$cc1979
300   $a219 p. :$bill. ;$c25 cm
500   $aFront. su 2 pagine.
651  4$aCopenhagen$xUniversità$xStoria
907   $a.b12306459$b02-04-14$c08-10-03
912   $a991002565589707536
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996   $aCopenhagen University$9162945
997   $aUNISALENTO
998   $ale002$b08-10-03$cm$da  $e-$feng$gdk $h0$i1

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100   $a20101104d2003      ua             0
101 0 $aeng
135   $aurcn||||a||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aNIST time and frequency services$b[electronic resource] /$fMichael A. Lombardi
205   $a2002 ed.
210  1$aBoulder, CO :$cU.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology,$d[2003]
215   $a1 online resource (iv, 71 pages) $ccolor illustrations, color maps
225 1 $aNIST special publication ;$v432
300   $a"Supersedes NIST special publication 432, dated June 1991."
300   $a"January 2002."
300   $a"Minor text revisions made in April 2003."
300   $a"CODEN: NSPUE2"--T.p. verso.
320   $aIncludes bibliographical references (pages 69-71).
517 3 $aNational Institute of Standards and Technology time and frequency services
606   $aTime measurements
606   $aRadio frequency
615  0$aTime measurements.
615  0$aRadio frequency.
700   $aLombardi$b Michael A$01388069
712 02$aNational Institute of Standards and Technology (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910697726003321
996   $aNIST time and frequency services$93482951
997   $aUNINA