Neelameghan, A., Ravichandra Rao, I.K. and Gupta, B.S.S. 1972. Discovery and Re-discovery of Antibiotics : A Further Study. Journal of Information and Knowledge. 9, 1 (Mar. 1972), 139–144. DOI:https://doi.org/10.17821/srels/1972/v9i1/54482.