The Journal of Geometry and Symmetry in Physics is a fully-refereed, independent international journal.
A New Approach to Differential Geometry Using Clifford's Geometric Algebra by John Snygg
Milen Hristov. (2014)
Differential Geometry: Bundles, Connections, Metrics and Curvature by Clifford Henry Taubes
Bogdan Alexandrov. (2012)