Biodiversity Heritage Library
By "Perkins, Philip D. "
A contribution to the taxonomy of aquatic and humicolous beetles of the family Hydraenidae in southern Africa /
By: Perkins, Philip D. - Balfour-Browne, J. - Field Museum of Natural History.
Publication info: [Chicago, Ill.] :Field Museum of Natural History,c1994.
Holding Institution: University Library, University of Illinois Urbana Champaign