Evaluation of the intramolecular basis set superposition error in the calculations of larger molecules: [n]helicenes and Phe-Gly-Phe tripeptide. - Haydée Valdés; Vojtech Klusák; Michal Pitonák; Otto Exner; Ivo Starý; Pavel Hobza; Lubomír Rulísek (J. Comput. Chem., 2008)