Dirl, R., & Weinberger, P. (2005). Group Theory in Materials Science: Foundations. In Encyclopedia of Condensed Matter Physics (pp. 281–290). Elsevier. http://hdl.handle.net/20.500.12708/25230 ( reposiTUm)

Dirl, R., & Weinberger, P. (2005). Group Theory in Materials Science: Applications. In Encyclopedia of Condensed Matter Physics (pp. 290–302). Elsevier. http://hdl.handle.net/20.500.12708/25233 ( reposiTUm)