Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Johannsen AND O AND A)


 
 
 
Select Item Title Year Published
Aquatic diptera, 1969
Guide to the insects of Connecticut, part vi. The diptera or true flies of Connecticut: fifth fascicle; midges and gnats; tendipedidae (Chironomidae), 1952
Medical entomology : a survey of insects and allied forms which affect the health of man and animals / 1938

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