On two new species of the genus Ischiopsopha Gestro
Ritsema, C. (Cornelius Coenraad) 1846-1929
Article
1879
Notes from the Royal Zoological Museum of the Netherlands at Leyden
1
185--187
BioStor
Multiple
Leyden, E.J. Brill, 1879
BioStor: https://biostor.org/reference/70371