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  <front>
    <journal-meta />
    <article-meta>
      <fpage>419</fpage>
      <lpage>430</lpage>
      <abstract>
        <p>! $ # % &amp; ! # &amp;# &amp;! " ' (# )'(* )+% + , + *! ' " &amp; % - )-#* &amp; ! . % % &amp; &amp; # &amp; " ! / % # %# % # &amp;! ' " # 012 032 % % # 042</p>
      </abstract>
    </article-meta>
  </front>
  <body>
    <sec id="sec-1">
      <title>-</title>
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,
NoECF(f) = |SECF(f)|
SECFMR(f, mr) = {fi|fi ∈ mr ∧ fi = f}</p>
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    </sec>
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