S. Spolitis, V. Bobrovs, and G. Ivanovs, “Realization of Combined Chromatic Dispersion Compensation Methods in High Speed WDM Optical Transmission Systems”, ELEKTRON ELEKTROTECH, vol. 116, no. 10, pp. 33–38, Dec. 2011, doi: 10.5755/j01.eee.116.10.875.