Аутори:
1. Славица Малетић, Универзитет у Београду, Физички факултет, Студентски трг 12, Београд, Serbia
2. Драгана Церовић, University of Belgrade, Faculty of Physics, Serbia
3. Mirjana Milić, VINČA Institute of Nuclear Sciences – National Institute of the Republic of Serbia, Department of Th, Serbia
4. Nataša Jović Orsini, VINČA Institute of Nuclear Sciences – National Institute of the Republic of Serbia, Department of Th, Serbia