WATT, Arthur D.
Catalog of the illustrated paleozoic plant specimens in the National Museum of Natural History / Arthur D. Watt. -- Washington : Smithsonian Institution Press, 1970 - 53 p. -- (Smithsonian Contributions to paleobiology ; 5).
National Museum of Natural History
Paleobotánica - Paleozoico
Paleobotánica - U.S.A. - Catálogos y Colecciones
069.51:502.2 ; 561"613"
Catalog of the illustrated paleozoic plant specimens in the National Museum of Natural History / Arthur D. Watt. -- Washington : Smithsonian Institution Press, 1970 - 53 p. -- (Smithsonian Contributions to paleobiology ; 5).
National Museum of Natural History
Paleobotánica - Paleozoico
Paleobotánica - U.S.A. - Catálogos y Colecciones
069.51:502.2 ; 561"613"