Krishnamurthy, E. V., P. V. Sankar, S. K. Sen, M. Ranganathan, and K. S. N. Iyer. 1972. “ALWIN - Algorithmic Chemical Notation System for Organic Compounds. Part I: Acyclic Structures. ( Non-Conventional Methods in Document Retrieval. 16)”. Journal of Information and Knowledge 9 (4):523-43. https://doi.org/10.17821/srels/1972/v9i4/49263.