Zwick, Peter Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;
https://www.zobodat.at/pdf/Bonner-Zoologische-Beitraege_41_0231-0257.pdf (Publisher version)
Zwick, P. (1990). Systematic notes on Holarctic Blephariceridae (Diptera). Bonner Zoologische Beiträge, 41(3-4), 231-257.