Aswathy, S. and Gopikuttan, A. 2014. Scientometric Analysis of Research Output in Spacecraft Propulsion during 1999-2012: A Study with Special Reference to Web of Science. Journal of Information and Knowledge. 51, 1 (Feb. 2014), 27–37. DOI:https://doi.org/10.17821/srels/2014/v51i1/47197.