<record>
  <controlfield tag="001">935</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">rare B decay</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">electroweak penguin</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">radiative penguin</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">semileptonic penguin</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">leptonic B decay</subfield>
  </datafield>
</record>