by Bateman, Philip W., Gilson, Lauren N., Ferguson, J. W. H.
Published in Ethology (01.12.2001)

by Walsh, S. R., Gilson, N. L., Brown, K., Novell, J. R.
Published in Colorectal disease (01.03.2007)

by Bateman, Philip W., Gilson, Lauren N., Ferguson, J.W.H.
Published in Animal behaviour (01.03.2001)

by Gilson, Lauren N, Marzluff, John M
Published in The Auk (01.01.2000)