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Pests of stored grain and grain products.

Pests of stored grain and grain products.
紙図書
Burgess Pub. Co.[1963]<RB94-2>
国立国会図書館
  • 著者標目Cotton, R. T.

Controlling insects in flour mills / R.T. Cotton, J.C. Frankenfeld, and G.A. Dean. (Circular)

Controlling insects in flour mills / R.T. Cotton, J.C. Frankenfeld, and G.A. Dean. (Circular)
紙図書
U.S. Dept. of Agriculture1945.<632.94-C851c>
国立国会図書館
  • 著者標目Cotton, R. T. Frankenfeld, J. C. (Justus Ca...

Industrial fumigation against insects / E.A. Back, R.T. Cotton. (Circular)

Industrial fumigation against insects / E.A. Back, R.T. Cotton. (Circular)
紙図書
U.S. Dept. of Agriculture1942.<632.94-B126i>
国立国会図書館
  • 著者標目Back, E. A. (Ernest Adna) , 1886- Cotton, R. T. United States. Dept. of Agric...

The granary weevil

The granary weevil
紙図書
by E.A. Back, and R.T. CottonGovernment Printing Office1926
全国の図書館

Stored-grain pests

Stored-grain pests
紙図書
E.A. Back and R.T. CottonU.S. Dept. of Agriculture[1922]
全国の図書館
  • 著者標目Back, E. A. (Ernest Adna) Cotton, R. T.

Control of insect attacking grain in farm storage

Control of insect attacking grain in farm storage
紙図書
[by R. T. Cotton]U.S. Dept. of Agriculture[19--]
全国の図書館

Control of insect pests of grain in elevator storage

Control of insect pests of grain in elevator storage
紙図書
[by R. T. Cotton]U.S. Dept. of Agriculture[19--]
全国の図書館

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