Napierała, M., Ziolowicz, A., Pytel, A., Szostkiewicz, Łukasz, Murawski, M., Tenderenda, T., … Nasiłowski, T. (2015). Multicore optical fibres for next generation telecommunication transmission systems and components. Photonics Letters of Poland, 7(3), pp. 66–68. https://doi.org/10.4302/photon. lett. pl.v7i3.587