<?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>01909nam a22004571  4500</leader><controlfield tag="001">001569121</controlfield><controlfield tag="003">MiAaHDL</controlfield><controlfield tag="005">20250726000000.0</controlfield><controlfield tag="006">m        d        </controlfield><controlfield tag="007">cr bn ---auaua</controlfield><controlfield tag="008">891207s1974    nyua     bi   101 0 eng d</controlfield><datafield tag="010" ind1=" " ind2=" "><subfield code="a">   74013018 </subfield></datafield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">0838582834</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(MiU)990015691210106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.990015691210106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-nrlf.b131853545</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)MIU01000000000000001569121-goog</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)1191186</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SAZTEC)124101290</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(CaOTULAS)175796811</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)Aleph001569121</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">LC</subfield><subfield code="d">UtOrBLW</subfield></datafield><datafield tag="050" ind1=" " ind2="4"><subfield code="a">RE551</subfield><subfield code="b">R45 1972</subfield></datafield><datafield tag="050" ind1=" " ind2="0"><subfield code="a">RE551</subfield><subfield code="b">.R45 1972</subfield></datafield><datafield tag="060" ind1=" " ind2="4"><subfield code="a">WW270 R434r 1972</subfield></datafield><datafield tag="082" ind1="0" ind2=" "><subfield code="a">617.7/3</subfield></datafield><datafield tag="111" ind1="2" ind2=" "><subfield code="a">Retina Congress,</subfield><subfield code="d">(1972 :</subfield><subfield code="c">Boston)</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Retina Congress;</subfield><subfield code="b">[proceedings] /</subfield><subfield code="c">Edited by Ronald C. 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