Anderson, A.M. and Ferrington, L.C. 2012. Time-Efficiency of Sorting Chironomidae Surface-Floating Pupal Exuviae Samples from Urban Trout Streams in Northeast Minnesota, USA. Fauna norvegica. 31, (Oct. 2012), 19. DOI:https://doi.org/10.5324/fn.v31i0.1380.