Palaeontology, stratigraphy, and structure of the Jurassic rocks in Salmo map-area, British Columbia /

Autor Frebold, Hans, 1899-1983
Vydáno 1962

The Jurassic faunas of the Canadian Arctic : Lower Jurassic ammonites, biostratigraphy and correlations /

Autor Frebold, Hans, 1899-1983
Vydáno 1975

The Jurassic faunas of the Canadian Arctic : Cadoceratinae /

Autor Frebold, Hans, 1899-1983
Vydáno 1964

The Jurassic faunas of the Canadian Arctic : Middle and Upper Jurassic ammonites /

Autor Frebold, Hans, 1899-1983
Vydáno 1961

The Jurassic faunas of the Canadian Arctic : Lower Jurassic and Lowermost Middle Jurassic ammonites /

Autor Frebold, Hans, 1899-1983
Vydáno 1960