Zwick, Peter Limnological River Station Schlitz, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;
Zwick, P. (1989). Notes on Plecoptera (18) Skwala americana (Klapálek, 1912), comb. n., the Valid Name for Skwala parallela (Frison, 1936). Aquatic Insects, 11(3), 181-182.