Bibliografía (10 obras)
Seabirds as monitors of the marine environment
2003
Diets of seabirds and consequences of changes in food supply
1999
Birds as Monitors of Environmental Change
1993
Birds as monitors of environmental change
Heavy metals in the marine environment
1990
The Skuas
1987
Seabird ecology
1986
Ornithological studies on Foula 1977-1979
1982
Studies on the breeding biology and population dynamics of the Great Skua (CAtharacta skua Brunnich)
1977
The practice of plating on plastics
1968