Contributions to Canadian paleontology (eleven papers) /

Autor Norford, B. S., 1932-, Jackson, D. E., Lenz, A. C., Collins, D. H., Dean, William Thornton, 1926-, McGregor, D. C. 1929-2001, Bamber, E. W., Nassichuk, W. W., Ross, Charles A., Wickenden, R. T. D., Hills, L. V., Wallace, Sandra
Vydáno 1969

Spores with proximal radial pattern from the Devonian of Canada /

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