Neelameghan, A., & Venkata Raman, S. (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), 359–380. https://doi.org/10.17821/srels/1968/v5i4/49215