Cornell95

W. D. Cornell, P. Cieplak, C. I. Bayly, I. R. Gould, K. M. Merz Jr., D. M. Ferguson, D. C. Spellmeyer, T. Fox, J. W. Caldwell, and P. A. Kollman, “A second generation force-field for the simulation of proteins, nucleic-acids, and organic-molecules,” J. Am. Chem. Soc., 117 (1995) 5179-97. DOI: 10.1021/ja00124a002