1. George A. Jeffrey , An Introduction to Hydrogen Bonding, Oxford University Press, Oxford, 1997
2. G. Desiraju and T.Steiner, The Weak Hydrogen Bond in Structural Chemistry and Biology, Oxford University Press, Oxford, 1999
3. The Hydrogen Bond in the Solid State
4. “STRONG” HYDROGEN BONDS IN CHEMISTRY AND BIOLOGY
5. Non-conventional hydrogen bonds