text{Mpc}^{-3}\text{yr}^{-1} \tag{3}
\end{equation}</span></p>
<ul class="simple">
<li><p><span class="math notranslate nohighlight">\(z_s\)</span>: redshift of source</p></li>
<li><p><span class="math notranslate nohighlight">\(n_o\)</span>: Normalization factor. <span class="math notranslate nohighlight">\(a_{III}\)</span>, <span class="math notranslate nohighlight">\(b_{III}\)</span>, <span class="math notranslate nohighlight">\(z_{III}\)</span> are fitting parameters.</p></li>
<li><p><span class="math n