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by Harrington, Virginia
[Beltsville, Md.] : Dept. of Agriculture, Agricultural Research Service, [Northeastern Region], Plant Protection Institute, 1977
[Beltsville, Md.] : Dept. of Agriculture, Agricultural Research Service, [Northeastern Region], Plant Protection Institute, 1977
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by Mickelson, Rome H.
[Washington, D.C.?] : Springfield, Va. : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service [distributor], 1984
[Washington, D.C.?] : Springfield, Va. : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service [distributor], 1984
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7
by Howell, J. Franklin
Beltsville, Md. : Springfield, VA : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service [distributor], 1984
Beltsville, Md. : Springfield, VA : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service [distributor], 1984
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8
by Bariola, L. A.
Beltsville, Md. : [Springfield, Va. : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service, distributor], 1984
Beltsville, Md. : [Springfield, Va. : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service, distributor], 1984
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12
by Coulson, Jack R., 1931-2007
[Beltsville, MD?] : U.S. Dept. of Agriculture, Agricultural Research Service, 1988
[Beltsville, MD?] : U.S. Dept. of Agriculture, Agricultural Research Service, 1988
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Book
13
by Mahlstede, John P.
[Washington] : U.S. Dept. of Agriculture, Agricultural Research Service, 1975
[Washington] : U.S. Dept. of Agriculture, Agricultural Research Service, 1975
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14
by Harvey, John M., 1921-
Washington, D.C. : Springfield, Va. : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service [distributor], 1984
Aug. 1960, approved for reprinting Feb. 1984.
Washington, D.C. : Springfield, Va. : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service [distributor], 1984
Aug. 1960, approved for reprinting Feb. 1984.
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15
by Peterson, Russell W
Washington : Dept. of Agriculture, Agricultural Research Service, 1977
Washington : Dept. of Agriculture, Agricultural Research Service, 1977
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17
by Wight, J. R. (Jerald Ross), 1931-
[Beltsville, Md.?] : Springfield, VA : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service [distributor, 1987
[Beltsville, Md.?] : Springfield, VA : U.S. Dept. of Agriculture, Agricultural Research Service ; National Technical Information Service [distributor, 1987
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