[1] Bernstein, J. " Polymorphism in Molecular Crystals "; Oxford University Press: Oxford, 2002.
[2] Hilfiker, R. " Polymorphism in the Pharmaceutical Industry "; Wiley-VCH., Ed. Weinheim, 2006.
[3] Brittain, H. G. " Polymorphism in Pharmaceutical Solids "; 2nd ed.; Informa Healthcare: New York, 2009.
[4] Gavezzotti, A. " Theoretical Aspects and Computer Modelling of the Molecular Solid State "; John Wiley: Chichester, 1997.
[5] Friščić, T.; Jones, W.; J. Pharm. Pharmacol. 2010, 62, 1547-1559.