<?xml version="1.0" encoding="UTF-8"?><collection xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/MARC21/slim" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd"><record><leader>01714cam a2200385Ka 4500</leader><controlfield tag="001">005979746</controlfield><controlfield tag="003">MiAaHDL</controlfield><controlfield tag="005">20121218000000.0</controlfield><controlfield tag="006">m        d        </controlfield><controlfield tag="007">cr bn ---auaua</controlfield><controlfield tag="008">081210s1947    tnu      t   f000 0 eng d</controlfield><datafield tag="027" ind1=" " ind2=" "><subfield code="a">MDDC-1073</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-ufdc020652014</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.990059797460106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)277771905</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">MDDCS</subfield><subfield code="c">MDDCS</subfield><subfield code="d">FUG</subfield></datafield><datafield tag="086" ind1="0" ind2=" "><subfield code="a">Y 3.At 7:8/1073</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Zinn, W. H.</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Thermal neutron flux in the Argonne heavy-water pile /</subfield><subfield code="c">by W.H. Zinn.</subfield></datafield><datafield tag="260" ind1=" " ind2=" "><subfield code="a">Oak Ridge, Tenn. :</subfield><subfield code="b">Technical Information Branch, Atomic Energy Commission,</subfield><subfield code="c">[1947].</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">1 p. ;</subfield><subfield code="c">27 cm.</subfield></datafield><datafield tag="490" ind1="0" ind2=" "><subfield code="a">United States. Atomic Energy Commission. MDDC ;</subfield><subfield code="v">1073</subfield><subfield code="5">FU</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">"Date of Manuscript: March 28, 1947"</subfield><subfield code="5">FU</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Manhattan District Declassified Code</subfield><subfield code="5">FU</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Two paragraph document.</subfield><subfield code="5">FU</subfield></datafield><datafield tag="506" ind1=" " ind2=" "><subfield code="a">"Date Declassified: June 24, 1947"</subfield><subfield code="5">FU</subfield></datafield><datafield tag="530" ind1=" " ind2=" "><subfield code="a">also available in electronic format.</subfield><subfield code="5">FU</subfield></datafield><datafield tag="538" ind1=" " ind2=" "><subfield code="a">Mode of access: Internet.</subfield></datafield><datafield tag="583" ind1="1" ind2=" "><subfield code="a">will digitize</subfield><subfield code="c">20081711</subfield><subfield code="z">Queued for digitization November 17, 2008</subfield><subfield code="2">pda</subfield><subfield code="5">miu</subfield><subfield code="5">FU</subfield></datafield><datafield tag="610" ind1="2" ind2="0"><subfield code="a">Argonne National Laboratory.</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Nuclear reactors.</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Neutron transport theory.</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Nuclear fission.</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Thermal neutrons.</subfield></datafield><datafield tag="710" ind1="2" ind2=" "><subfield code="a">U.S. Atomic Energy Commission.</subfield></datafield><datafield tag="710" ind1="2" ind2=" "><subfield code="a">Argonne National Laboratory.</subfield></datafield><datafield tag="776" ind1="0" ind2="8"><subfield code="i">Online version:</subfield><subfield code="a">Zinn, W. 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