S. Panić, S. Mahoncenko, Časlav Stefanović, and M. Stefanović, “FIRST ORDER OUTAGE STATISTICS OF ASYMMETRICAL RF-OW DUAL-HOP RELAY COMMUNICATIONS”, B Nat Sci Res, vol. 10, no. 1, pp. 57–62., Jan. 2020, doi: 10.5937/univtho10-23091.