by Youatt, W.G, Fay, L.D
Published in Journal of the American Veterinary Medical Association (1961)

by Ullrey D.E, Youatt W.G, Whetter P.A
Published in The Journal of wildlife management (01.04.1981)

by Aulerich, R.J, Ringer, R.K, Seagran, H.L, Youatt, W.G
Published in Canadian journal of zoology (01.05.1971)

by Ullrey, D.E, Youatt, W.G, Johnson, H.E, Fay, L.D, Schoepke, B.L, Magee, W.T
Published in J Wildlife Manage (1970)

by Youatt, W.G, Fay, L.D, Whitehead, G.L, Neaman, J.P
Published in The Journal of wildlife management (01.07.1959)

by Youatt, W.G., Fay, L, Howe, D.L., Harte, H.D.
Published in Blood (01.12.1961)