<div class="description">
<p>Bibliography: p. 16
</p>
<br>Subjects: Aspen Diseases and pests</div>
<div class="fn value">
Krebill, R. G. (Richard G.), 1936-</div>
<dl><dd><a rel="nofollow" class="external free" href="https://archive.org/details/mortalityofaspen129kreb">https://archive.org/details/mortalityofaspen129kreb</a></dd>
<dd><a rel="nofollow" class="external free" href="https://archive.org/download/mortalityofaspen129kreb/mortalityofaspen129kreb.pdf">https://archive.org/download/mortalityofaspen129kreb/mortalityofaspen129kreb.pdf</a></dd></dl>