[1]
Biström, O. and Wewalka, G. 1994. <i>Hydrovatus asymmetricus</i> sp. n. (Coleoptera, Dytiscidae) - an enigmatic species from Southeast Asia. Entomologica Fennica. 5, 2 (Jun. 1994), 103–104. DOI:https://doi.org/10.33338/ef.83800.