HØJGAARD JENSEN, Jens. Acceleration i inhomogent tyngdefelt – breddeopgave 70. KVANT, [S. l.], v. 27, n. 4, 2016. DOI: 10.7146/kvant.167562. Disponível em: https://tidsskrift.dk/KVANT/article/view/167562. Acesso em: 18 maj. 2026.