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Bill Crossover Ratios in Canadian Crossbills Loxia spp

Bill Crossover Ratios in Canadian Crossbills Loxia spp

Paul C. James, Thomas W. Barry, Alan R. Smith and Samuel J. Barry

期刊名称Ornis Scandinavica
作者Paul C. James, Thomas W. Barry, Alan R. Smith and Samuel J. Barry
卷第18卷
期第4期
印刷ISSN0030-5693
文件大小429.27KB
发表时间1987-11
DOI10.2307/3676900
页码310-312

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