Aflaloxin in Marze Mexico,April 7.11.1986.

Published 1987

Barley yellow dwarf 6-8 December 1983.

Published 1984

Cereal disease methodology manual /

Published 1986

Proceedings of a symposium on corn borers and control measures/

Published 1988

Rust diseases of wheat of wheat: contcepts and methods of disease management /

by Roelfs, A. P.
Published 1992