Cooper G. A., Arellano A. R. V., Johnson J. H., Okulitch V. J., Stoyanow A., Lochman C., 1952: Cambrian stratigraphy and paleontology near Caborca, northwestern Sonora, Mexico. With 31 plates, 184 pp. Discount 20%!
236
9.60
8273
Cooper G. A., Dunbar C. O., Duncan H., Miller A. K., Knight J. B., 1953: Permian fauna at El Antimonio, Western Sonora, Mexico. With 25 plates, 111 pp. Discount 20%!