Britain.

发表

Report of the Rothamsted Experimental Station for 1961.

Britain., 1962 .

National Agricultural Advisory Service, South Eastern Region. Report on field experiments in horticuture, 1969.

Britain., 1970 .

Report of the Welsh Plant Breeding Station for 1970.

Britain., 1964 .

Department of Parasitology and Entomology, Incorporated Liverpool School of Tropical Medicine. st annual report for 1959-60, by W. E. Kershaw.

Britain., 1959 .