BHATTACHARYYA, P.; RAKSHIT, D. K.; DE, A. C. Line type angel echoes observed at Dum Dum Airport, Calcutta. MAUSAM, [S. l.], v. 16, n. 2, p. 249–254, 1965. DOI: 10.54302/mausam.v16i2.5638. Disponível em: https://mausamjournal.imd.gov.in/index.php/MAUSAM/article/view/5638. Acesso em: 20 jan. 2025.