A.Yu. Isaev - Key to beetles of Middle Volga river (Key to species of the families Haliplidae and Noteridae)
A.Yu. Isaev
Key to beetles of Middle Volga river
(Part 1 - Adephaga and Myxophaga)
Ulyanovsk, 2002.
Key to species of the families Haliplidae and Noteridae - P. 51-53
