The Coniacian-Santonian boundary in Northern Spain: the Olazagutia section

by Gallemi, J., Kuechler, T., Lamolda, M., Lopez, G., Martinez, R., Muňoz, J., Pons, J.M, Soler, M.
Source: 1. Mineralia Slovaca 1. 0369-2086 1. Roč. 29, č. 4-5(1997), s. 311