On the Position of the Pteraspis Beds, and on the Sequence of the Strata of the Old Red Sandstone Series of South Perthshire
Open Access
- 1 February 1862
- journal article
- Published by Geological Society of London in Quarterly Journal of the Geological Society
- Vol. 18 (1-2), 253-258
- https://doi.org/10.1144/gsl.jgs.1862.018.01-02.38