Yasmeen, F. , Huda, M. , Haque, M. , Aoki, M. , Yamada, S. (2011), 'Using Ferry Access Points to Improve the Performance of Message Ferrying in Delay-Tolerant Networks', World Academy of Science, Engineering and Technology, Open Science Index 56, International Journal of Electronics and Communication Engineering, 5(8), 914 - 920.