[1]
Interglacial chronology of the Rocky and Mackenzie Mountains base upon (230) ~Th-(234) ~U dating of calcite speleothems.-Can. Harmon,R.S. J.Earth Sci . 1977
[1]
Interglacial chronology of the Rocky and Mackenzie Mountains base upon (230) ~Th-(234) ~U dating of calcite speleothems.-Can. Harmon,R.S. J.Earth Sci . 1977