Ninh, Bui Trung, Nguyen Quoc Tuan, Ta Viet Hung, Nguyen The Anh, and Pham Van Hoi. 2015. “Influence of ASE Noise on Performance of DWDM Networks Using Low-Power Pumped Raman Amplifiers”. Communications in Physics 25 (2):147. https://doi.org/10.15625/0868-3166/25/2/6000.