J. M. Tao, J. P. Perdew, V. N. Staroverov, and G. E. Scuseria, “Climbing the density functional ladder: Nonempirical meta-generalized gradient approximation designed for molecules and solids,” Phys. Rev. Lett., 91 (2003) 146401. DOI: 10.1103/PhysRevLett.91.146401
