Miocene floras of the Columbia Plateau . Part 1. Composition and interpretation by Ralph W. Chaney. Part 2. Systematic considerations by Ralph W. Chaney and Daniel I. Axelrod
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Miocene floras of the Columbia Plateau . Part 1. Composition and interpretation by Ralph W. Chaney. Part 2. Systematic considerations by Ralph W. Chaney and Daniel I. Axelrod
Ralph Works Chaney, Daniel I. Axelrod
Autre
Première publication : 1959