Ab initio calculations on iron-porphyrin model systems for intermediates in the oxidative cycle of cytochrome P450s. - Marcel J. de Groot; Remco W. A. Havenith; H. Maarten Vinkers; Renate Zwaans; Nico P. E. Vermeulen; Joop H. van Lenthe (J. Comput. Aided Mol. Des., 1998)

Starting SCF calculations by superposition of atomic densities. - J. H. Van Lenthe; Renate Zwaans; Huub J. J. Van Dam; M. F. Guest (J. Comput. Chem., 2006)