@InBook{CH93, author = {Clementi, E. and Hofmann, D.}, title = {Metecc-94}, chapter = {Coulomb-Hole-Hartree-Fock Functional}, pages = {1-22}, year = {1993}, publisher = {STEF}, keywords = {quantum chemistry, electron correlation energy}, url = {https://publications.crs4.it/pubdocs/1993/CH93}, }