K. M. Venugopal, A. Rajkumar, S. Vìjaykant, V. Ramanujachari, G. C. Pant, and P. M. Ghanegaonkar, “Supersonic Jet Interactions in a Plenum Chamber”, Def. Sc. J., vol. 54, no. 3, pp. 239–302, Jul. 2004.