Scott J. Weiner, Peter A. Kollman, David A. Case, U. Chandra Singh, Caterina Ghio, Guliano Alagona, Salvatore Profeta, Paul Weiner,
A NEW FORCE FIELD FOR MOLECULAR MECHANICAL SIMULATION OF NUCLEIC ACIDS AND PROTEINS Journal of the American Chemical Society. ,vol. 106, pp. 765- 784 ,(1984) ,
10.1021/JA00315A051