TY - BOOK AU - Čižek,Jakub AU - Procházka,Ivan ED - Internationl Workshop on Slow Positron Beam Techniques and Applications ED - Polska Akademia Nauk. TI - Proceedings of the 15th International Workshop on Slow Positron Beam Techniques & Applications (SLOPOS-15): Prague, Czech Republic, September 2-6, 2019 T2 - Acta Physica Polonica. A., PY - 2020/// CY - Warsaw PB - Polish Academy of Sciences. Institute of Physics N1 - Druk dwuszpaltowy; Bibliografia przy rozdziałach ER -