1. V. A. Ryabov, V. A. Tsarev, and A. M. Tskhovrebov, “Searches for particles of Dark Matter,” Usp. Fiz. Nauk, 178, No. 11, 1129–1164 (2008).
2. J. Jaeckel, J. Redondo, and A. Ringwald, “Hidden laser communications through matter – An application of meV-scale hidden photons,” EPL, 87, 10010 (2009).
3. A. W. Saenz et al., “Telecommunication with neutrino beams,” Science, 198, No. 4314, 295–297 (1977).
4. A. I. Erokhin et al., “Space location receivers in the λ = 10 μm band,” Irreversible Processes in Nature and Technology: Proc. 7th All-Russ. Conf., MGTU im. N. E. Baumana, Moscow (2013), Pt. 3, 51–54.
5. N. S. Kardashev et al., “RadioAstron – a telescope with dimensions of 300,000 km: fundamental parameters and first results of observations,” Astron. Zh., 90, No. 3, 179–222 (2013).