by Cooper V.C, Walkey D.G.A
Published in Annals of Applied Biology (1978)

by Walkey, D.G.A, Cooper, V.C
Published in Plant disease reporter (1971)

by Walkey, D.G.A, Cooper, V.C
Published in J Hort Sci (1972)

by Walkey D.G.A, Cooper V.C, Crisp P
Published in Journal of Horticultural Science (1974)

by Walkey, D.G.A. (Natn. Veg. Res. Sta., Wellesbourne, Warwicks. (UK)), Cooper, V.C
Published in Annals of Applied Biology (UK) (1975)

by Walkey, D.G.A., Cooper, Valerie C.
Published in Physiological plant pathology (01.01.1972)