Insect and disease control as a branch of forest protection
By: by Samuel B. Detwiler.
Publisher: Yale university
Published: 1929
Place of publication: New Haven
Language: eng
Number of pages: 28
Subjects: Trees -- Diseases and pests.
Notes: At head of title: Yale university. School of forestry.

Lecture delivered at Yale university, May 16, 1927, before the class in forest protection.

"References": p. 27-28.