MEGGYES, Attila; NAGY, Valéria. Requirements of the gas engines considering the use of biogases. Periodica Polytechnica Mechanical Engineering, [S. l.], v. 53, n. 1, p. 27–31, 2009. 10.3311/pp.me.2009-1.04. Disponível em: https://pp.bme.hu/me/article/view/1281. Acesso em: 6 may. 2024.