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E. Pollard的作品

Cover for E. Pollard · Monitoring Butterflies for Ecology and Conservation: The British Butterfly Monitoring Scheme - Conservation Biology (Paperback Book) [New edition] (1994)

Monitoring Butterflies for Ecolo... (1994)

Cover for E. Pollard · Monitoring Butterflies for Ecology and Conservation: the British Butterfly Monitoring Scheme - Conservation Biology (Hardcover Book) (1993)

Monitoring Butterflies for Ecolo... (1993)