@misc{Janusz_Mikołajczyk_Analysis,
 author={Janusz Mikołajczyk and Zbigniew Bielecki and Maciej Bugajski and Józef Piotrowski and Jacek Wojtas and Waldemar Gawron and Dariusz Szabra and Artur Prokopiuk},
 publisher={Polish Academy of Sciences Committee on Metrology and Scientific Instrumentation},
 title={Analysis of Free-Space Optics Development},
}