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01307aam a2200361 a 4500 001 0492CA2AEA6111E094823B976AFF544E 003 SILO 005 20110929010228 007 he umb---buca 008 890810s1988 mdua btb f000|0 eng d 035 $a (OCoLC)711693134 040 $a GZM $c GZM $d SILO $d MvI $d SILO 074 $a 249-A (MF) 086 0 $a C 13.46:1315 100 1 $a Persson, K. B. 245 1 $a Investigation of the hydrogen source for masers $h [microform] / $c K.B. Persson, F.L. Walls. 260 $a Gaithersburg, MD : $b U.S. Dept. of Commerce, National Bureau of Standards, $c 1988. 300 $a iii, 50 p. : $b ill. ; $c 28 cm. 440 0 $a NBS technical note ; $v 1315 533 $a Microfiche. 500 $a No longer available for sale by the Supt. of Docs. 500 $a Distributed to depository libraries in microfiche. 500 $a "Issued April 1988." 504 $a Includes bibliographical references (p. 33). 536 $a Supported by Naval Research Laboratories. 650 0 $a Hydrogen. 650 0 $a Masers. 650 0 $a Radio frequency. 700 1 $a Walls, F. L. 710 1 $a United States. $b National Bureau of Standards. 941 $a 1 952 $l OVUX522 $d 20180104021422.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=0492CA2AEA6111E094823B976AFF544EInitiate Another SILO Locator Search