Lycopods of Pennsylvanian age coals: Polysporia
DiMichele, William A., Mahaffy, James F., Phillips, Tom L.Volume:
57
Language:
english
Journal:
Canadian Journal of Botany
DOI:
10.1139/b79-214
Date:
August, 1979
File:
PDF, 1.70 MB
english, 1979