" the United States, including new records from New Mexico, South Dakota, and Texas: Western North American Naturalist , p. 405-409, Gerber, L.R.; McCallum, H.; Lafferty, K.D.; Sabo, J.L.; Dobson, A., 2005, Exposing extinction risk analysis to pathogens: Is disease just another form of density dependence?: Ecological Applications Gerow, K.G.; Anderson-Sprecher, R. C.; Hubert, W.A., 2005, A new meth" . . . .