1. Calculation of Crystal Field Parameters
    Chapter 7 - Calculation of Crystal Field Parameters (pp. 145-162), author: P. Novák. Nova Science Publishers, series: Chemistry Research and Applications - Materials Science and Technologies. Pub. Date: 2013-4th Quarter, pages: 7x10 - (NBC-C), ISBN: 978-1-62618-996-6
  2. P. Lipavský, J. Koláček, K. Morawetz
    Chapter 11 in Nanoscience and Engineering in Superconductivity, eds. V. Moshchalkov, R. Woerdenweber, W. Lang in series NanoScience and Technology, Springer, 2010, pp. 281-298