by Stephens, S.E, Rotella, J.J, Lindberg, M.S, Taper, M.L, Ringelman, J.K
Published in Ecological applications (01.12.2005)

by Ringelman J.K, Longcore J.R
Published in The Journal of wildlife management (01.01.1982)

by Ringelman J.K, Longcore J.R
Published in The Journal of wildlife management (01.01.1982)

by Trust, Kimberly A., Miller, Michael W., Ringelman, James K., Orme, Ian M.
Published in Journal of wildlife diseases (01.07.1990)

by Ringelman, J.K, Longcore, J.R
Published in Canadian field-naturalist (1983)

by Ringelman, J.K, Longcore, J.R, Owen, R.B. Jr
Published in Canadian journal of zoology (01.01.1982)

by Kirby, R.E. (U.S. Fish and Wildlife Service, Jamestown, ND), Ringelman, J.K, Anderson, D.R, Sojda, R.S
Published in Transactions of the... North American Wildlife and Natural Resources Conference (USA) (1992)