Charge calculations in molecular mechanics 7: Application to polar π systems incorporating nitro, cyano, amino, C=S and thio substituents. - Raymond J. Abraham; Paul E. Smith (J. Comput. Aided Mol. Des., 1989)

Charge calculations in molecular mechanics. Part 8 Partial atomic charges from classical calculations. - Raymond J. Abraham; Guy H. Grant; Ian S. Haworth; Paul E. Smith (J. Comput. Aided Mol. Des., 1991)

Conformational analysis. Part 16 Conformational free energies in substituted piperidines and piperidinium salts. - Raymond J. Abraham; Craig J. Medforth; Paul E. Smith (J. Comput. Aided Mol. Des., 1991)

A Kirkwood-Buff derived force field for amides. - Myungshim Kang; Paul E. Smith (J. Comput. Chem., 2006)