by Boulton, J.G, Gill, P.A, Cook, R.W, Fraser, G.C. (New South Wales Agriculture, Wollongbar (Australia). Regional Veterinary Lab.), Harper, P.A.W. (New South Wales Agriculture, Grafton (Australia). Grafton Agricultural Research and Advisory Station), Dubey, J.P. (United States Dept. of Agriculture, Beltsville (USA). Parasite Biology and Epidemiology Lab.)
Published in Australian veterinary journal (01.03.1995)

by Hindmarsh, M. (Unaffil.), Harper, P.A.W. (New South Wales Agriculture, Grafton (Australia). Agricultural Research and Advisory Station)
Published in Australian veterinary journal (01.05.1995)

by Harper, P.A.W. (New South Wales Agriculture, Grafton (Australia). Agricultural Research and Advisory Station), Cook, R.W, Gill, P.A, Fraser, G.C. (New South Wales Agriculture, Wollongbar (Australia). Regional Veterinary Lab.), Badcoe, L.M. (New South Wales Agriculture, Armidale (Australia). Regional Veterinary Lab.), Power, J.M
Published in Australian veterinary journal (01.04.1993)

by Mitchell, P.J. (Victorian Dept. of Food and Agriculture, Bairnsdale (Australia). Regional Veterinary Lab.), Reilly, W. (Unaffil.), Harper, P.A.W. (New South Wales Agriculture and Fisheries, Grafton (Australia). Grafton Agricultural Research and Advisory Station), McCaughan, C.J. (Victorian Dept. of Food and Agriculture, Leongatha (Australia))
Published in Australian veterinary journal (01.02.1993)