How to time the sampling of tussock moth larvae / by B.E. Wickman

Author: Wickman, Boyd E.
Published: Washington, D.C. : U.S. Dept. of Agriculture, Combined Forest Pest Research and Development Program : Available from the Supt. of Docs., U.S. G.P.O., 1978.
Physical Description: 1 folded sheet (6 pages) : illustrations (some color) ; 24 cm.
Additional Creators: Combined Forest Pest Research and Development Program (U.S.)