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REVIEW OE EPHEMERELLA NYMPHS OF WESTERN NORTH AMERICA (EPHEMEROPTERA)
WALLEY, G. STUARTVolume:
62
Language:
english
Journal:
The Canadian Entomologist
DOI:
10.4039/ent6212-1
Date:
January, 1930
File:
PDF, 553 KB
english, 1930