Spores with proximal radial pattern from the Devonian of Canada /

Autor McGregor, D. C. 1929-2001
Vydáno 1961

Contributions to Canadian paleontology : (five papers) /

Autor Berry, William B. N., Norford, B. S., 1932-, Smith, R. E., Jackson, D. E., Kerr, J. Wm., Morrow, D. W., Poulton, T. P., Hopkins, W. S., Sweet, A. R.
Vydáno 1976