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2. S. Scheiner , Hydrogen Bonding. A Theoretical Perspective, Oxford University Press, New York, 1997
3. Hydrogen Bonding – New Insights, ed. S. J. Grabowski, Springer, Dordrecht, Netherlands, 2006
4. Definition of the hydrogen bond (IUPAC Recommendations 2011)
5. Noncovalent Forces, ed. S. Scheiner, Springer, Heidelberg, 2015