JÁSZAY, T. INDUDUSTRIAL REVIEW - AUS DER INDUSTRIE THE AIR-COOLED CONDENSING EQUIPMENT "SYSTEM HELLER" A COMPREHENSIVE SURVEY Periodica Polytechnica Mechanical Engineering, [S. l.], v. 2, n. 4, p. 389–402, 1958. Disponível em: https://pp.bme.hu/me/article/view/6462. Acesso em: 4 may. 2024.