TY - JOUR L1 - http://journals.pan.pl/Content/87652/PDF/33.pdf L2 - http://journals.pan.pl/Content/87652 PY - 2014 IS - No 3 DO - 10.2478/eletel-2014-0033 A1 - Mikołajczyk, Janusz PB - Polish Academy of Sciences Committee of Electronics and Telecommunications VL - vol. 60 DA - 2014 T1 - An Overview of Free Space Optics with Quantum Cascade Lasers UR - http://journals.pan.pl/dlibra/publication/edition/87652 T2 - International Journal of Electronics and Telecommunications ER -