Koerber, T. W. 1960c. Insects destructive to the Douglas-fir seed crop in California—a problem analysis. United States Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station, Technical Paper 45. 36 p.
Koerber 1960
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.