<record>
  <controlfield tag="001">1650</controlfield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">CP violation</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">TD CPV</subfield>
  </datafield>
  <datafield tag="653" ind1="1" ind2=" ">
    <subfield code="a">mixing </subfield>
  </datafield>
</record>