Semiclassical Concepts in Magnetoelectronics
  Semiclassical theories of electron and spin transport in metallic magnetic structures are reviewed with emphasis on the role of disorder and electronic band structures in the current perpendicular to the interface plane (CPP) transport configuration. 
Gerrit E. W. Bauer, Yuli V. Nazarov, Daniel Huertas-Hernando, Arne   Brataas, Ke Xia, and Paul J. Kelly