A Middle or Lower Devonian Psilophyte Flora from Central Arizona and its Paleogeographic Significance
Curt Teichert and James M. SchopfVolume:
66
Language:
english
Journal:
The Journal of Geology
DOI:
10.2307/30058244
Date:
March, 1958
File:
PDF, 1.40 MB
english, 1958