Michailova, P.V., Sella, G. and Petrova, N. 2012. Polytene chromosomes of Chironomidae (Diptera) as a bioassay of trace-metal-induced genome instability. Fauna norvegica. 31, (Oct. 2012), 227. DOI:https://doi.org/10.5324/fn.v31i0.1355.