1. Microbial and biochemical changes during moulding of hay;Gregory;J. Gen. Microbiol.,1963
2. A study of the application of propionic acid in the conservation of hay;Charlick,1972
3. Epidemiological studies of bovine mycotic abortion;Austwick;Vet. Rec.,1967
4. Respiratory diseases in and around farm buildings;Grant,1973
5. A survey of farmer's lung;Staines;J. Coll. Gen. Pract.,1969