1. Qiwu W., Xianwei Z., Jianping W., Zhizhong Y. and Lin L., “Multicast routing and wavelength assignment with delay constraint in WDM networks with sparse wavelength conversions”, Springer Science+Business Media, LLC (2009).
2. I. Chlamtac, A. Ganz, and G. Karm., “Light path communications: An approach to high bandwidth optical WAN’s”, IEEE Transaction on Communications, vol. 49, no. 7, pp. 1171–1182, July (1992).
3. X. Chu, B. Li, and C. Imrich., “Wavelength converter placement under different rwa algorithms in wavelength-routed all-optical networks”, IEEE Transaction on Communications, vol. 51, no. 4, pp. 607–617, Apr. (2003).
4. Sho Shimizu, Yutaka Arakawa, Naoaki Yamanaka., “A wavelength assignment scheme for WDM Networks with Limited Range Wavelength Converters”, IEEE ICC (2006).
5. Li-Wei Chen, Eytan Modiano, “Efficient Routing and Wavelength Assignment for Reconfigurable WDM Networks with Wavelength Converters”, IEEE INFOCOM (2003).