@misc{ShelleySnyder2012, author = {Rowland M. Shelley and Bruce A. Snyder}, title = {Millipeds from the eastern Dakotas and western Minnesota, USA, with an account of Pseudopolydesmus serratus (Say, 1821) (Polydesmida: Polydesmidae); first published records from six states and the District of Columbia}, booktitle = {Insecta mundi : a journal of world insect systematics}, issn = {0749-6737}, institution = {Extern}, series = {Insecta Mundi}, number = {0239}, type = {periodicalpart}, pages = {19}, year = {2012}, }