Reference

Hans-Wilhelm Bohle, Gabriele Potabgy (1992): Metreletus balcanicus (Ulmer 1920), Siphlonurus armatus (Eaton 1870) (Ephemeroptera, Siphlonuridae) und die Fauna sommertrockener Bäche. – Lauterbornia – 1992_10: 43 - 60.