New turf for gypsy moth, there's more at risk downrange
By: David A. Gansner ... [et al.].
Contributors: Gansner, David A.; Northeastern Forest Experiment Station (Radnor, Pa.)
Series: Research paper NE -- 519.
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1983
Place of publication: [Broomall, Pa.]
Language: eng
Subjects: Gypsy moth -- Control -- Pennsylvania; Regression analysis
Notes: Cover title.

Bibliography: p. 4.