Bi QIAO; Song KONGZHI; Zhang Bao SHENG. Study on Breakthrough Space Obstacle. Newest Updates in Physical Science Research Vol. 11, [S. l.], p. 114–124, 2021. DOI: 10.9734/bpi/nupsr/v11/3192F. Disponível em: https://stm.bookpi.org/NUPSR-V11/article/view/3036. Acesso em: 4 jun. 2026.