 | Highland, Henry A. (Henry Arthur), 1924- 4n | (1) |
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 | Highland, Henry A. (Henry Arthur), 1924- 4n; Barriers in synergized-pyrethrins-treated paper bags to prevent migration of piperonyl butoxide into cornmeal, flour, and CSM / . Washington : Agricultural Research Service, U.S. Dept. of Agriculture, 1973. | |
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