n class="keyword">(</span><span class="symbol">muc_spruce</span><span class="keyword">)</span></pre>
        
    <div class="Format">
      <h2>Format</h2>

      <p>A <code>data.frame</code> containing tree-ring indices and
replication depth with respective years as <code>rownames</code>.</p>

    </div>

    <div class="Source">
      <h2>Source</h2>

      <p>Zang C, Pretzsch H, Rothe A (2012) Size-dependent
responses to summer drought in Scots pine, Norway spruce and
common oak. Trees - Structure and F