Autumn and winter distribution and ringing recoveries of Shetland tysties cepphus grylle : a report to the Shetland Oil Terminal Environmental Advisory Group /
Ewins, P. J.
Kirk, D. A.
Shetland Oil Terminal Environmental Advisory Group.
Edward Grey Institute of Field Ornithology.
Oxford : Edward Grey Institute of Field Ornithology, University of Oxford,
1985.
Includes bibliography.
Black guillemot