Daugherty, Lyman H. Contribution to paleontology : the upper triassic flora of Arizona. - Washington : Carnegie Institution, 1941. - 107 p. : il. ; 29 cm - Carnegie Inst. Publ 526 . Subjects--Topical Terms: PaleontologíaPaleobotánica Subjects--Geographic Terms: Arizona Index Terms--Genre/Form: Seriemon Universal Decimal Class. No.: 561(791)