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  9. Araz Jakalian, Bruce L. Bush, David B. Jack and Christopher I. Bayly, ``Fast, Efficient Generation of High-Quality Atomic Charges. AM1-BCC Model: I: Method'', Journal of Computational Chemistry, Vol. 21, pp. 132-146, 2000.

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  14. Sergey V. Trepalin, Andrey V. Skorenko, Konstantin V. Balakin, Anatoly F. Nasonov, Stanley A. Lang, Andrey A. Ivashchenko and Nikolay P. Savchuk, ``Advanced Exact Structure Searching in Large Databases of Chemical Compounds'', Journal of Chemical Information and Computer Science (JCICS), Vol. 43, No. 3, pp. 852-860, 2003.

  15. Yang, A.-S., M. R. Gunner, R. Sampogna, K. Sharp and B. Honig, ``On the Calculation of pKa's in Proteins'', Proteins, Vol. 15, pp. 252-265, 1993.