1. Nicholas J Belkin, Robert N Oddy, and Helen M Brooks. 1982. ASK for information retrieval: Part I. Background and theory. Journal of Documentation 38, 2 (1982), 61--71.
2. Nicholas J Belkin, Robert N Oddy, and Helen M Brooks. 1982. ASK for information retrieval: Part II. Results of a design study. Journal of Documentation 38, 3 (1982), 145--164.
3. S.-J. L. Chang. 2005. Chang's Browsing. Information Today, Medford, NJ, 69--74.
4. Ed H Chi, Peter Pirolli, Kim Chen, and James Pitkow. 2001. Using information scent to model user information needs and actions and the Web. In Proceedings of the SIGCHI conference on Human factors in computing systems. ACM, 490--497.
5. Dan Cho. 2014. MeSH on demand tool: An easy way to identify relevant MeSH terms. (2014). Retrieved September 29, 2017 from https://www.nlm.nih.gov/pubs/ techbull/mj14/mj14_mesh_on_demand.html