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Seio et al., J. Biomol. Struct. Dyn. (2005)
Stolarczyk & Piela, Int. J. Quant. Chem. (1979)
Kedzierski et al., Int. J. Mol. Sci. (2004)
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Hesselman & Janse, CPL (2003)
Cysewski & Czyznikowska-Balcerak, J. Mol. Struct.: THEOCHEM (2005)
Sinnokrot & Sherrill, JPC A (2006)
Jurecka et al., JCC (2007)
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