<record>
  <controlfield tag="001">552</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">charmless</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">semileptonic</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">vub </subfield>
  </datafield>
</record>