O. , N. .; G. , O. Appendix II to the paper published iu transactions of Scientific Journal Physics, 2011 355(16) , pages 133-138. Scientific transaction of the National University of Mongolia. Physics, [S. l.], v. 17, n. 362, p. 225–230, 2022. DOI: 10.22353/physics.v17i362.735. Disponível em: https://journal.num.edu.mn/physics/article/view/735. Acesso em: 9 apr. 2025.