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2. Instruments and measuring methods in palaeomagnetic research;As,1960
3. Depositional environments, paleomagnetism and tectonic significance of Huizachal red beds (lower Mesozoic), northeastern Mexico;Belcher,1979
4. Notas sobre la geología de la Sierra Madre en la seccion Zimapan-Tamazunchale;Bodenlos,1956
5. Paläomagnetische Untersuchungen an jurassischen bis quartären Gesteinen aus Zentral- und Südmexico;Böhnel,1985