GOGOI, M. M.; CHAUBEY, J. P.; SREEKANTH, V.; KOMPALLI, S. K.; BABU, S. S.; PRABHU, T. P.; MOORTHY, K. K. Columnar Aerosol Extinction Characteristics: Measurements from a Free-Tropospheric Observatory in Western-Himalayas. Journal of the Institute of Engineering, [S. l.], v. 8, n. 3, p. 52–57, 2012. DOI: 10.3126/jie.v8i3.5931. Disponível em: https://www.nepjol.info/index.php/JIE/article/view/5931. Acesso em: 6 aug. 2021.