1. (a) Jeffrey, G. A.; Saenger, W. Hydrogen Bonding in Biological Structures; Berlin: Springer-Verlag, 1991;
2. (b) Jeffrey, G. A. In An Introduction to Hydrogen Bonding; Truhlar, D. G., Eds.; Oxford University Press: New York, 1997.
3. (a) Modeling the Hydrogen Bond in ACS Symposium Series 569; Smith, D. A., Ed.; American Chemical Society: Washington, DC, 1994;
4. (b) Scheiner, S. In Hydrogen Bonding. A Theoretical Perspective; Oxford University Press: New York, 1997;
5. (c) Desiraju, G. R.; Steiner, T. D. In The Weak Hydrogen Bond: In Structural Chemistry and Biology (International Union of Crystallography Monographs on Crystallography, 9); Oxford University Press: New York, 1999.