Materials evaluated as insecticides and acaricides at Brownsville, Tex., September 1955 to June 1961 /
by B.A. Butt and J.C. Keller.
- Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1964.
- ii, 95 p. ; 26 cm.
- Agriculture handbook / United States Department of Agriculture ; no. 263 .
- Agriculture handbook (United States. Department of Agriculture) ; no. 263. .