May, C. 1934. Outbreaks of the Dutch elm disease in the United States. United States Department of Agriculture, Circular 322. 19 p.
May 1934
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
|
Contact Webmaster | ©2008 Anthony Cognato
This page uses cascading style sheets (CSS). It should display correctly using current versions of all major browsers.