1. New IAGA data bases established;Barton;Eos Trans. AGU,1991
2. The continental drift history of Fennoscandia during the Precambrian;Elming;Tectonophysics,1993
3. Paleomagnetic data base search possible;Harbert;Eos Trans. AGU,1993
4. Catalogue of paleomagnetic directions and paleopoles, No. 6;Irving;Results from Canada and the Laurentian Shield (1953–1989),1990
5. Paleomagnetic Directions and Paleomagnetic Poles—Data from the US.S.R., No. 7;Khramov,1991