561.19791
Dau
U
Daugherty, Lyman Harry, 1894-
The upper triassic flora of Arizona [by] Lyman H. Daugherty. With a discussion of its geologic occurrence [by] Howard R. Stagner. Washington, Carnegie Institution of Washington, 1941
iii, 105 p. láms. 25 cm. (Carnegie Institution of Washington. Publication 526)
A la cabeza del título: "Constructions to paleontology"
"Literature cited": p. 102-105