1. J.I. Kapusta, P. Lichard and D. Seibert, High-energy photons from quark-gluon plasma versus hot hadronic gas, Phys. Rev. D 44 (1991) 2774 [ SPIRES ].
2. R. Baier, H. Nakkagawa, A. Niegawa and K. Redlich, Production rate of hard thermal photons and screening of quark mass singularity, Z. Phys. C 53 (1992) 433 [ SPIRES ].
3. P.V. Ruuskanen, Electromagnetic probes of quark-gluon plasma in relativistic heavy ion collisions, Nucl. Phys. A 544 (1992) 169 [ SPIRES ].
4. M.H. Thoma, Damping rate of a hard photon in a relativistic plasma, Phys. Rev. D 51 (1995) 862 [ hep-ph/9405309 ] [ SPIRES ].
5. C.T. Traxler, H. Vija and M.H. Thoma, Hard photon production rate of a quark-gluon plasma at finite quark chemical potential, Phys. Lett. B 346 (1995) 329 [ hep-ph/9410309 ] [ SPIRES ].