1. Molecular Modelling: Principles and Applications;Leach,1996
2. XCrySDen—a new program for displaying crystalline structures and electron densities
3. A. Kokalj, M. Causà, XCrySDen: (X-window) CRYstalline Structures and DENsities, 2003. Available from:
4. V.R. Saunders, R. Doves, C. Roetti, M. Causá, N.M. Harrison, R. Orlando, C.M. Zicovich Wilson, Crystal98 1.0––user’s manual, University of Torino, Torino, 1999
5. WIEN2k, an augmented plane wave+local orbitals program for calculating crystal properties;Blaha,2001