Annual service reports to JNCC.
Copies of these reports can be obtained from Vertebrates and Landscape Ecology Branch, Joint Nature Conservation Committee, Monkstone House, City Road, Peterborough, PE1 1JY and not from the BTO.
British Trust for Ornithology. 1992. Services in Ornithology: Annual Report 1991-92. (JNCC Report No. 105.) (Joint Nature Conservation Committee, Peterborough, Contract No. F72/03/01.) ISSN 0963-8091. 105 pp. £10.00.