Alexander Plastun, Andrey Konuykhov, "Design of transmission bands in all-solid photonic bandgap fiber," Proc. SPIE 9917, Saratov Fall Meeting 2015: Third International Symposium on Optics and Biophotonics and Seventh Finnish-Russian Photonics and Laser Symposium (PALS), 991737 (21 April 2016);