Long-period variations of paleomagnetic declination in the Barremian beds from the Northern Caucasus and their importance for detailed correlations

by Gužikov, Andrej J., Baraboškin, Jurij E.
Source: 1. Mineralia Slovaca 1. 0369-2086 1. Roč. 29, č. 4-5(1997), s. 317-319