CATALDO, Carmine. Towards a New Concept of Closed System: From the Oscillating Universe to the EM-Drive. International Journal of Advanced Engineering Research and Science, [S. l.], v. 6, n. 2, 2019. Disponível em: https://journal-repository.com/index.php/ijaers/article/view/1018.. Acesso em: 22 jul. 2024.