Federal Office for Radiation Protection (BfS),
Ressortforschungsberichte zur kerntechnischen Sicherheit und zum Strahlenschutz, BfS-RESFOR-143/19: 1-226
2019,
Frigura-Iliasa M, Baloi FI, Olariu AF, Petrenci RC
2019 20th International Scientific Conference on Electric Power Engineering (EPE), Kouty nad Desnou, Czech Republic. IEEE: pp. 1-4; ISBN 978-1-7281-1335-7