The total Position Spread in mixed-valence compounds: A study on the H4+ model system. - Gian Luigi Bendazzoli; Muammar El Khatib; Stefano Evangelisti; Thierry Leininger (J. Comput. Chem., 2014)

ML4Chem: A Machine Learning Package for Chemistry and Materials Science. - Muammar El Khatib; Wibe A. de Jong (CoRR, 2020)