Mortality risks for forest trees threatened with gypsy moth infestation
By: Owen W. Herrick, David A. Gansner.
Contributors: Gansner, David A.; Northeastern Forest Experiment Station (Radnor, Pa.)
Series: NE-RN -- 338.; Research note NE -- 338.
Publisher: United States Dept. of Agriculture Forest Service, Northeastern Forest Experiment Station
Published: 1987
Place of publication: [Broomall, Pa.]
Language: eng
Subjects: Gypsy moth.
Notes: Caption title.

"November 1987" - p. 4.

Literature cited: p. 4.