Mohammadinasab, R., Tabatabaee, M., Seyed Sadjadi, M. A.. The Effect of Hydrogen Bonding and π–π Stacking to Stabilization of 3D Networks of a New Proton Compound, (a-6-mpyH)(Hpyzd) H2O. Journal of Physical & Theoretical Chemistry. 2012;9(2):61-66.