%0 Journal Article %J Physical Review B %D 2004 %T Valence band effective mass expressions in the sp3d5s* empirical tight-binding model applied to a new Si and Ge parameterization %A Boykin, Timothy %A Klimeck, Gerhard %A Oyafuso, Fabiano %I APS %N 11 %P 115201 %V 69 %Z Phys. Rev. B. 69, 115201, No 11 (2004);doi:10.1103/PhysRevB.69.115201 %1 10.1103/PhysRevB.69.115201