Chandra, P.Rannot, R. C.Yadav, K. K.Tickoo, A. K.Singh, K. K.Chanchalani, K.Kothari, M.Agarwal, N. K.Goyal, A.Goyal, H. C.Kotwal, S.N. KumarMarandi, P.Venugopal, K.Bhat, C. K.Bhatt, N.Bhattacharya, S.Borwankar, C.Chouhan, N.Dhar, V. K.Kaul, S. R.Koul, S. K.Koul, M. K.Koul, R.Mitra, A. K.Sahayanathan, S.Sharma, M.2012-08-272012-08-272012Journal of Physics G-Nuclear & Particle Physics, 2012. Vol. 39 (4): pp. 45201http://hdl.handle.net/123456789/65814244 bytestext/htmlenTeV gamma-ray observationsMarkarian 421TACTIC γ -ray telescopetime-averaged differential energy spectrumArticle