Acta XX Congressus Internationalis Ornithologici
Subtitle: Christchurch, New Zealand, 2-9 December 1990
By: editorial subcommittee: Ben D. Bell ... [et al.].
Contributors: Bell, Ben D.; New Zealand Ornithological Congress Trust Board.
Publisher: Ornithological Congress Trust Board
Published: 1991
Place of publication: Wellington, N.Z
Language: eng
Subjects: Ornithology -- Congresses.; Bird populations -- Congresses.
Genres: Congresses.
Notes: Vols. 1-4 paginated cumulatively; vol. [5] has title: Supplement, programme and abstracts.

Includes bibliographical references.