Rajaram, Shyama. “FRBR and Ranganathan’s Colon Book Numbers: Exploring a Symbiotic Relationship”. DESIDOC Journal of Library & Information Technology 33, no. 4 (July 1, 2013). Accessed September 19, 2019. https://publications.drdo.gov.in/ojs/index.php/djlit/article/view/5006.