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Dutch elm disease
J.N. Gibbs, D.A. Burdekin, C.M. Brasier
Bok Engelsk 1977
Biology of Dutch elm disease
Gibbs, J.N.
Bok Engelsk 1974
Dutch elm disease survey 1972-1973
J.N. Gibbs, R.S. Howell
Bok Engelsk 1974
The control of Dutch elm disease
Burdekin, D. A.
Bok Engelsk 1972
Dutch elm disease survey
J.N. Gibbs, R.S. Howell
Bok Engelsk 1971
Fomes annosus : a fungus causing butt rot, root rot and death of conifers

Bok Engelsk 1970