ass="r-in"><span><span class="co"># get dutch reference for default key</span></span></span>
<span class="r-in"><span><span class="va">reftab</span> <span class="op">&lt;-</span> <span class="fu">get_reference</span><span class="op">(</span>population <span class="op">=</span> <span class="st">"dutch"</span>, verbose <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span> key:         gsed2406 </span>
<span class="r