by Burke, J.M., Jackson, W.G., Robson, G.A.
Published in Small ruminant research (01.05.2002)

by Burditt, L.G, Zavy, M.T, Buchanan, D.S, Von Tungeln, D.L, Robson, G.A
Published in Miscellaneous publication - Agricultural Experiment Station, Oklahoma State University (USA) (01.05.1987)

by Ringwall, K.A, Whiteman, J.V, Wettemann, R.P, Robson, G.A
Published in Miscellaneous publication - Agricultural Experiment Station, Oklahoma State University (USA) (01.04.1981)

by Welch R.A.S, Kilgour R, Robson G.A, Smith M.E, Williams E.T
Published in Proceedings of the New Zealand Society of Animal Production (1979)