David ROWLAND. Spacetime and General Relativity: A Novel Approach. New Trends in Physical Science Research Vol. 4, [S. l.], p. 87–90, 2022. DOI: 10.9734/bpi/ntpsr/v4/6038F. Disponível em: https://stm.bookpi.org/NTPSR-V4/article/view/6934. Acesso em: 13 jun. 2026.