Farzana Yasmeen and  Md. Nurul Huda and  Md. Enamul Haque and  Michihiro Aoki and  Shigeki Yamada,  Using Ferry Access Points to Improve the Performance of Message Ferrying in Delay-Tolerant Networks.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2011, vol. 56(8). 914 - 920
    [viewed 13 April 2021]. Available from: https://publications.waset.org/pdf/6050.