1. A new velocity field for Africa from combined GPS and DORIS space geodetic Solutions: Contribution to the definition of the African reference frame (AFREF). Issue 4 (8th April 2013) Authors: Saria, E.; Calais, E.; Altamimi, Z.; Willis, P.; Farah, H. Journal: Journal of geophysical research Issue: Volume 118:Issue 4(2013:Apr.) Page Start: 1677 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗