SÂRBU, Ioan; BORZA, Ioan. A study on the frost self-protection of cooling towers. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 43, n. 1, p. 37–46, 1999. Disponível em: https://pp.bme.hu/me/article/view/1457. Acesso em: 3 jul. 2025.