CHANDRA, M. . The luminous efficiency of direct solar radiation. MAUSAM, [S. l.], v. 29, n. 4, p. 667–670, 1978. DOI: 10.54302/mausam.v29i4.2944. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/2944. Acesso em: 28 feb. 2024.