HEGYHÁTI , J. EXPERIMENTELLE UNTERSUCHUNGEN VON SPIROIDGETRIEBEN Periodica Polytechnica Mechanical Engineering, [S. l.], v. 34, n. 3-4, p. 171–183, 1990. Disponível em: https://pp.bme.hu/me/article/view/5620. Acesso em: 15 may. 2024.