Insecta: Coleoptera: Hydrophilidae: Heliphorinae /
Angus, Robert.
Insecta: Coleoptera: Hydrophilidae: Heliphorinae / by Robert Angus. - Stuttgart, [&c.] : Gustav Fischer, 1992. - x, 144 pages. : illustrations ; 24 cm. - Süsswasserfauna von Mitteleuropa ; Bd. 20 (10,ii) .
Includes index.
Bibliography: p.135-139.
343730643X
Hydrophilidae--Identification.
QL 596 / .A8A53
Insecta: Coleoptera: Hydrophilidae: Heliphorinae / by Robert Angus. - Stuttgart, [&c.] : Gustav Fischer, 1992. - x, 144 pages. : illustrations ; 24 cm. - Süsswasserfauna von Mitteleuropa ; Bd. 20 (10,ii) .
Includes index.
Bibliography: p.135-139.
343730643X
Hydrophilidae--Identification.
QL 596 / .A8A53