Zwick, Peter Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;
Zwick, P. (1984). Die Identität von Ptychoptera paludosa coerulea STROBL, 1898 (Diptera: Ptychopteridae). Beiträge zur Entomologie, 34(1), 97-98.