1. Allen, J.: 2012, Nature
486, 473.
DOI
.
2. Baker, P.S. (ed.): 2000, The Anglo-Saxon Chronicle 8 MS F: A Semi-diplomatic Edition with Introduction and Indices, Cambridge University Press, Cambridge.
3. Barnard, L., Owens, M., Scott, C.J.: 2017, Astron. Geophys.
58(2), 12.
DOI
.
4. Bately, J. (ed.): 1986, The Anglo-Saxon Chronicle 3 MS A: A Semi-diplomatic Edition with Introduction and Indices, Cambridge University Press, Cambridge.
5. Beard, D.: 2005, J. Br. Astron. Assoc.
115(5), 261.