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<item>
  <id>71037339</id>
  <dt>a</dt>
  <an>71037339</an>
  <augroup>
    <au>Rogers, J. L.</au>
    <au>Wille, L. T.</au>
  </augroup>
  <ti>Collective rhythmicity in biological oscillator ensembles</ti>
  <so>PPSC, 270-273 (1993).</so>
  <py>1993</py>
  <pu></pu>
  <lagroup>
    <la>EN</la>
  </lagroup>
  <ccgroup>
  </ccgroup>
  <utgroup>
  </utgroup>
  <cigroup>
  </cigroup>
  <ligroup>
  </ligroup>
</item>