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1by Heald, C. M.Subjects: “...United States. Department of Agriculture Research....”
Published 1976
Manuscript -
2by Stewart, B. A. (Bobby Alton), 1932-Subjects: “...United States. Department of Agriculture Research....”
Published 1976
Manuscript -
3by Lancaster, Robert R.“... of Texas and United States Department of Agriculture cooperating...”
Published 1949
Manuscript -
4
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5
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6Conference Proceeding Manuscript
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7Table of Contents: “... of economic entomology 35 (6) p.896-898) -- A new oil-emulsion mosquito larvicide (United States department...”
Manuscript