Calculations of Signal to Noise Ratio (SNR) for Free Space Optical Communication Systems. Baghdad Science Journal, Iraq, Baghdad, v. 5, n. 1, p. 95–100, 2008. DOI: 10.21123/bsj.2008.5.1.95-100. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/869.. Acesso em: 5 jul. 2024.