Hutson, R. Sucking insects infesting apples and pears in Michigan. East Lansing: Michigan State College of Agriculture and Applied Science, 1936 19 p. : ill.
Hutson, R. Sucking insects infesting apples and pears in Michigan. East Lansing: Michigan State College of Agriculture and Applied Science, 1936 19 p. : ill.
Hutson, R. (1936) Sucking insects infesting apples and pears in Michigan, East Lansing: Michigan State College of Agriculture and Applied Science 19 p. : ill.
Hutson, R. (1936). Sucking insects infesting apples and pears in Michigan. East Lansing: Michigan State College of Agriculture and Applied Science, 19 p. : ill.
Hutson R. Sucking insects infesting apples and pears in Michigan. East Lansing: Michigan State College of Agriculture and Applied Science; 1936. p. 19 p. : ill.
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