The size of the frond in the genus Alethopteris Sternberg(Pteridospermopsida, Carboniferous)
Jean-Pierre LaveineVolume:
19
Year:
1986
Language:
english
Pages:
11
DOI:
10.1016/s0016-6995(86)80035-3
File:
PDF, 3.16 MB
english, 1986