num_pages: 144
language: English
title: The Introduction and Naturalisation of Birds: Proceedings of a Conference Organised Jointly by the British Ornithologists' Union and the UK Joint Nature Conservation Committee
titlecomplete: The Introduction and Naturalisation of Birds: Proceedings of a Conference Organised Jointly by the British Ornithologists' Union and the UK Joint Nature Conservation Committee
publisher: The Stationery Office Books (Agencies)