Gaeta, G.; M. A. Rodríguez (2012). “Hyperkähler structure of the Taub–NUT metric”. 《Journal of Nonlinear Mathematical Physics》 19 (2): 226–235. doi:10.1142/S1402925112500143.더 이상 지원되지 않는 변수를 사용함 (도움말)
Bonnor, W. B. (1992년 5월). “Physical interpretation of vacuum solutions of Einstein’s equations. Part Ⅰ. Time-independent solutions”. 《General Relativity and Gravitation》 24 (5): 551–574. Bibcode:1992GReGr..24..551B. doi:10.1007/BF00760137. ISSN0001-7701.
Bonnor, W. B. (1992년 5월). “Physical interpretation of vacuum solutions of Einstein’s equations. Part Ⅰ. Time-independent solutions”. 《General Relativity and Gravitation》 24 (5): 551–574. Bibcode:1992GReGr..24..551B. doi:10.1007/BF00760137. ISSN0001-7701.
Bonnor, W. B. (1992년 5월). “Physical interpretation of vacuum solutions of Einstein’s equations. Part Ⅰ. Time-independent solutions”. 《General Relativity and Gravitation》 24 (5): 551–574. Bibcode:1992GReGr..24..551B. doi:10.1007/BF00760137. ISSN0001-7701.