Age and controls of ironstone deposition (Ordovician) North Wales.

Autor: Trythall, R. J. B., Eccles, C., Molyneux, S. G., Taylor, W. E. G.
Zdroj: Geological Journal; Apr1987 Supplement 1, Vol. 22 Issue S1, p31-43, 13p
Databáze: Complementary Index