STITH, J. Observations of Natural, Seeding Beneath Anvil Clouds. The Journal of Weather Modification, [S. l.], v. 15, n. 1, p. 40–44, 1983. DOI: 10.54782/jwm.v15i1.83. Disponível em: https://journalofweathermodification.org/index.php/JWM/article/view/83. Acesso em: 26 sep. 2023.