1. Analysis of geomagnetic secular variation for the last 1.5 Ma recorded by volcanic rocks of the Trans Mexican Volcanic Belt: new data from Sierra de Chichinautzin, Mexico. Issue 1 (10th July 2019) Authors: Rodríguez-Trejo, A; Alva-Valdivia, L M; Perrin, M; Hervé, G; López-Valdés, N Journal: Geophysical journal international Issue: Volume 219:Issue 1(2019) Page Start: 594 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗