Goswami, S., A. Mukherjee, M. Kharbanda, A. Gupta, and P. Soni. “Visualisation of Relationships Among Library Users Based on Library Circulation Data”. DESIDOC Journal of Library & Information Technology, Vol. 30, no. 2, Mar. 2010, pp. 26-39, doi:10.14429/djlit.30.2.5.