CHANDRA, M. . Direct beam solar irradiance and illuminance. MAUSAM, [S. l.], v. 30, n. 4, p. 415–422, 1979. DOI: 10.54302/mausam.v30i4.3073. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/3073. Acesso em: 18 apr. 2024.