Otters 1977 : first report of the joint NCC-SPNC Otter Group /
Nature Conservancy Council (Great Britain)
O'Connor, F. B.
Society for the Promotion of Nature Conservation (Great Britain)
Scottish Natural Heritage (Agency).Information and Library Services,former owner.StEdNL.
Joint NCC/SPNC Otter Group,
1977.
Includes bibliographical references.