Title
On the occurrences of Opisthius richardsoni Kirby and Asaphidion yukonense Wickham (Coleoptera, Carabidae) as late Pleistocene fossils
By
Ashworth, Allan C.
Schwert, Donald P.
Original Publication
Proceedings of the Entomological Society of Washington
Published by
Washington, etc, Entomological Society of Washington,
Identifiers
BioStor:
https://biostor.org/reference/56471