ZELLER, P.; HENATSCH, A. COLD AIR REFRIGERATING MACHINES WITH MECHANICAL, THERMAL AND MATERIAL REGENERATION Periodica Polytechnica Transportation Engineering, [S. l.], v. 20, n. 1, p. 73–80, 1992. Disponível em: https://pp.bme.hu/tr/article/view/6666. Acesso em: 4 may. 2024.