Succession of Ordovician rocks at Lake Timiskaming /

Autor Sinclair, G. Winston
Vydáno 1965

Contributions to the age of the Gaspé sandstone and Gaspé limestone /

Autor Boucot, A. J. 1924-2017, Cumming, L. M., Jaeger, Hermann, 1929-1992
Vydáno 1967

A field method for determining uranium in natural waters /

Autor Chamberlain, Joseph Annandale, 1926-
Vydáno 1964