1. Almarsson (2003). Orn Application of HT Crystallisation Technology to the Study of Polymorphism of Pharmaceuticals at ACS Prospectives: Polymorphism in Crystals, Fundamentals, Predictions and Industrial Practice, February 23–26.
2. Byrn, S.R., Pfeiffer, R. and Stowell, J.G. (1999).Solid State Chemistry of Drugs, SSCI Inc.