Douglas-fir tussock moth handbook
An edition of Douglas-fir tussock moth handbook (1979)
how to determine the occurrence of virus in egg masses
By Milton J Stelzer
Publish Date
1979
Publisher
Dept. of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Language
eng
Pages
-
Description:
subjects: Douglas fir tussock moth, Douglas-fir tussock moth