TY - JOUR L1 - http://journals.pan.pl/Content/88038/PDF/28.pdf L2 - http://journals.pan.pl/Content/88038 PY - 2016 IS - No 2 DO - 10.1515/eletel-2016-0028 A1 - Romaniuk, Ryszard S. PB - Polish Academy of Sciences Committee of Electronics and Telecommunications VL - vol. 62 DA - 2016 T1 - Development of Free Electron Lasers in Europe Local and Global Implications – 2016 UR - http://journals.pan.pl/dlibra/publication/edition/88038 T2 - International Journal of Electronics and Telecommunications ER -