<?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>01026cam a2200289l  4500</leader><controlfield tag="001">005830884</controlfield><controlfield tag="003">MiAaHDL</controlfield><controlfield tag="005">20110628000000.0</controlfield><controlfield tag="006">m        d        </controlfield><controlfield tag="007">cr bn ---auaua</controlfield><controlfield tag="008">850807s1895    gw ah    b    000 0 ger d</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-srlf3238808</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-nrlfGLAD50378847-B</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-hvd.990036468750203941</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">3238808</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="9">07-ALD-7578</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)13469205</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)215229970</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)9293300</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">RBN</subfield><subfield code="c">RBN</subfield><subfield code="d">m.c.</subfield><subfield code="d">CLU</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Stäckel, Paul,</subfield><subfield code="d">1862-1919.</subfield></datafield><datafield tag="245" ind1="1" ind2="4"><subfield code="a">Die theorie der parallellinien von Euklid bis auf Gauss;</subfield><subfield code="b">eine urkundensammlung zur vorgeschichte der nichteuklidischen geometrie,</subfield><subfield code="c">in gemeinschaft mit Friedrich Engel hrsg. von Paul Stäckel.</subfield></datafield><datafield tag="260" ind1=" " ind2=" "><subfield code="a">Leipzig :</subfield><subfield code="b">B.G. 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