Neelameghan, A., and S. Venkata Raman. 1968. “Use of Computer for the Synthesis of Class Number: A Case Study With a Freely Faceted Version of Colon Classification (Non-Conventional Methods in Document Retrieva1. 7)”. Journal of Information and Knowledge 5 (4):359-80. https://doi.org/10.17821/srels/1968/v5i4/49215.