EVGENY BRYNDIN. Fuel-Free Energy Approach to Universe Exploration by Cosmic Levitation. Journal of Progress in Engineering and Physical Science, [S. l.], v. 2, n. 2, p. 66–74, 2023. Disponível em: https://www.pioneerpublisher.com/jpeps/article/view/285. Acesso em: 30 apr. 2025.