References
- Poppels, A., 2003: Peculiarities and changes of benthic communities in the Reservoirs of small HPP in Latvia. — Acta Biologica Universitatis Daugavpiliensis Vol. 3/1: 21–23.
- Poppels, A., 2003: Ephemeroptera fauna of Lakes in Northern Vidzeme Biosphaere Reserve, Latvia. Eco-hydrological processes in Northern Wetlands. Selected papers of Internat. Conf. & Educational Workshop. Tallinn, Estonia, 176–180 pp.
- Poppels, A., 2001: Study of mayflies (Ephemeroptera) in lakes of Riga district, Latvia. — Acta Biol. Univ. Daugavpiliensis. Vol. 1: 32–33.
- Spuris, Z., 1982: Catalogue of the insects of Latvia. 3. Mayflies (Ephemeroptera). Latv. Entomol. 25: 5–19 (in Latvian, Engl. sum.).