Contributions to Canadian paleontology : (three papers) /

Autor Boucot, A. J. 1924-2017, Johnson, J. G., 1932-1994, Ludvigsen, Rolf, Perry, D. G.
Vydáno 1975

Contributions to Canadian paleontology : (four papers) /

Autor Palmer, Allison R., 1927-, Cowie, John W., Eby, Robert G., Ormiston, Allen R., Perry, D. G., Boucot, A. J. 1924-2017, Gabrielse, H., Sliter, William V.
Vydáno 1981