o/r/base/table.html" class="external-link">table</a></span><span class="op">(</span><span class="va">builtin_references</span><span class="op">$</span><span class="va">key</span>, <span class="va">builtin_references</span><span class="op">$</span><span class="va">population</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>           </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>            dutch gcdg phase1 preliminary_standards</span>
<span