Laser study into and explanation of the direct-indirect target conceptN.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. MerkulievEPJ Web of Conferences, 59 (2013) 03014DOI: https://doi.org/10.1051/epjconf/20135903014