Rapid evaluation of two-center two-electron integrals. - Peter M. W. Gill; Andrew T. B. Gilbert; Terry R. Adams (J. Comput. Chem., 2000)

Q-Chem 2.0: a high-performance ab initio electronic structure program package. - Jing Kong; Christopher A. White; Anna I. Krylov; C. David Sherrill; Ross D. Adamson; Thomas R. Furlani; Michael S. Lee; Aaron M. Lee; Steven R. Gwaltney; Terry R. Adams; Christian Ochsenfeld; Andrew T. B. Gilbert; et al. (J. Comput. Chem., 2000)