Affiliation: | 1. Laboratory of Dosimetry and Radiation Protection, Faculty of Physics, Sofia University “St. Kliment Ohridski”, 5 James Bourchier Blvd, 1164 Sofia, Bulgaria;2. Kozloduy Nuclear Power Plant, PP1, 3321 Kozloduy, Bulgaria;1. Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, D-38116 Braunschweig, Germany;2. ENEA Istituto Nazionale di Metrologia delle Radiazioni Ionizzanti (ENEA-INMRI), C.R. Casaccia, Via Anguillarese 301, I-00123 Rome, Italy;1. Nuclear Physics Institute AS CR, Na Truhlářce 39/64, CZ-18086 Prague, Czech Republic;2. National Radiation Protection Institute, Bartoškova 1450/28, CZ-14000 Prague, Czech Republic |