Numerical methods: An implementation of difsub on an ibm-pc. - Kevin E. Gilbert; Joseph J. Gajewski (Comput. Chem., 1985)

Geometry Optimization Within a Modified Extended Hückel Formalism: Modifications to the ASED Program. - Kenneth J. Tupper; Richard W. Counts; Joseph J. Gajewski (Comput. Chem., 1991)

General molecular mechanics approach to transition metal complexes. - Joseph J. Gajewski; Kevin E. Gilbert; Thomas W. Kreek (J. Comput. Chem., 1998)