Status and Relative importance of the Parasites of the Hessian Fly in the Atlantic States


Issue Date:
1939-08
Publication Type:
Report
PURL Identifier:
http://purl.umn.edu/168461
Total Pages:
19
Series Statement:
Technical Bulletin
No. 689




 Record created 2017-04-01, last modified 2017-08-27

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