Laser study into and explanation of the direct-indirect target concept N.G. Borisenko, S. Chaurasia, L.J. Dhareshwar, A.I. Gromov, N.K. Gupta, P. Leshma, D.S. Munda, A.S. Orekhov, S. Tripathi and Yu.A. Merkuliev EPJ Web of Conferences, 59 (2013) 03014 Published online: 15 November 2013 DOI: 10.1051/epjconf/20135903014