<?xml version="1.0" encoding="UTF-8"?><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:zs="http://docs.oasis-open.org/ns/search-ws/sruResponse">
  <leader>01634cz  a2200337n  4500</leader>
  <controlfield tag="001">n  50045719 </controlfield>
  <controlfield tag="003">DLC</controlfield>
  <controlfield tag="005">20250228055515.0</controlfield>
  <controlfield tag="008">800806n| azannaabn          |a aaa      </controlfield>
  <datafield ind1=" " ind2=" " tag="010">
    <subfield code="a">n  50045719 </subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="035">
    <subfield code="a">(OCoLC)oca00080874</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="035">
    <subfield code="a">(CaEvSKY)skya1166982</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="040">
    <subfield code="a">DLC</subfield>
    <subfield code="b">eng</subfield>
    <subfield code="e">rda</subfield>
    <subfield code="c">DLC</subfield>
    <subfield code="d">DLC</subfield>
    <subfield code="d">ICU</subfield>
    <subfield code="d">TxHU</subfield>
    <subfield code="d">InU</subfield>
    <subfield code="d">MX-SlUA</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="046">
    <subfield code="f">1906-04-28</subfield>
    <subfield code="g">1983-08-05</subfield>
    <subfield code="2">edtf</subfield>
  </datafield>
  <datafield ind1="1" ind2=" " tag="100">
    <subfield code="a">Bok, Bart J.</subfield>
    <subfield code="q">(Bart Jan),</subfield>
    <subfield code="d">1906-1983</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="368">
    <subfield code="c">Dutch Americans</subfield>
    <subfield code="2">lcdgt</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="370">
    <subfield code="a">Hoorn (Netherlands)</subfield>
    <subfield code="b">Tucson (Ariz.)</subfield>
    <subfield code="2">naf</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="372">
    <subfield code="a">Astronomy--Study and teaching</subfield>
    <subfield code="2">lcsh</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="373">
    <subfield code="a">Harvard University</subfield>
    <subfield code="2">naf</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="374">
    <subfield code="a">Astronomers</subfield>
    <subfield code="a">University and college faculty members</subfield>
    <subfield code="a">Writers</subfield>
    <subfield code="2">lcdgt</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="377">
    <subfield code="a">eng</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="378">
    <subfield code="q">Bart Jan</subfield>
  </datafield>
  <datafield ind1="1" ind2=" " tag="400">
    <subfield code="w">nne</subfield>
    <subfield code="a">Bok, Bart Jan,</subfield>
    <subfield code="d">1906-</subfield>
  </datafield>
  <datafield ind1="1" ind2=" " tag="400">
    <subfield code="a">Bok, B. J.</subfield>
    <subfield code="q">(Bart Jan),</subfield>
    <subfield code="d">1906-1983</subfield>
  </datafield>
  <datafield ind1="1" ind2=" " tag="400">
    <subfield code="a">Bok, Bartholomeus Jan,</subfield>
    <subfield code="d">1906-1983</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="670">
    <subfield code="a">His The distribution of the stars in space, 1937.</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="670">
    <subfield code="a">Structure and evolution of the Magellanic Clouds, c1984:</subfield>
    <subfield code="b">p. x (Bart Jan Bok; died Aug. 5, 1983)</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="670">
    <subfield code="a">LC database, Feb. 21, 1989</subfield>
    <subfield code="b">(hdg.: Bok, Bart Jan, 1906-; usage: Bart J. Bok)</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="670">
    <subfield code="a">OCLC, Mar. 10, 2009</subfield>
    <subfield code="b">(hdg.: Bok, Bart Jan, 1906-; usage: Bart J. Bok, B. J. Bok)</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="670">
    <subfield code="a">Wikipedia, Jan. 7, 2024</subfield>
    <subfield code="b">(Bart Bok; Bartholomeus Jan "Bart" Bok; b. Apr. 28, 1906 in Hoorn, Netherlands; d. Aug. 5, 1983 in Tucson, Ariz.; Dutch-American astronomer, teacher, lecturer at Harvard University; known for discovery of Bok globules)</subfield>
    <subfield code="u">https://en.wikipedia.org/wiki/Bart_Bok</subfield>
  </datafield>
  <datafield ind1=" " ind2=" " tag="670">
    <subfield code="a">Historia de la astronomía en México, ©1986:</subfield>
    <subfield code="b">title page (Bart J. Bok)</subfield>
  </datafield>
</record>
