Hyung Suk Won Lee, K., Jeong, J., Yi, Y., Won, H., Rhee, I., & Chong, S. (2015). Max Contribution: An Online Approximation of Optimal Resource Allocation in Delay Tolerant Networks. IEEE TRANSACTIONS ON MOBILE COMPUTING, 14(3), 592–605. https://doi.org/10.1109/tmc.2014.2329001 Won, H., Cai, H., Eun, D. Y., Guo, K., Netravali, A., Rhee, I., & Sabnani, K. (2009, September). Multicast Scheduling in Cellular Data Networks. IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, Vol. 8, pp. 4540–4549. https://doi.org/10.1109/twc.2009.080330