Nguyen VH, Marsden A, Fujimoto S, Katsuyama Y. Optical IP network system using 16 wavelengths of Coarse WDM technologies and Layer-3 switch. Photonics Lett. Pol. [Internet]. 2013 Sep. 26 [cited 2024 Apr. 28];5(3):pp. 121-123. Available from: https://www.photonics.pl/PLP/index.php/letters/article/view/5-43