Cotton, D. V.«The linear polarization of Southern bright stars measured at the parts-per-million level».Monthly Notices of the Royal Astronomical Society,vol. 455,2,1-2016,p.1607–1628. arXiv: 1509.07221. Bibcode: 2016MNRAS.455.1607C. DOI: 10.1093/mnras/stv2185.
Cotton, D. V.«The linear polarization of Southern bright stars measured at the parts-per-million level».Monthly Notices of the Royal Astronomical Society,vol. 455,2,1-2016,p.1607–1628. arXiv: 1509.07221. Bibcode: 2016MNRAS.455.1607C. DOI: 10.1093/mnras/stv2185.
Moesgaard, Kristian P.(1973). "Copernican influence on Tycho Brahe".Jerzy Dobrzycki The reception of Copernicus' heliocentric theory: proceedings of a symposium organized by the Nicolas Copernicus Committee of the International Union of the History and Philosophy of Science, Toruń, Poland:Studia Copernicana, Springer
Cotton, D. V.«The linear polarization of Southern bright stars measured at the parts-per-million level».Monthly Notices of the Royal Astronomical Society,vol. 455,2,1-2016,p.1607–1628. arXiv: 1509.07221. Bibcode: 2016MNRAS.455.1607C. DOI: 10.1093/mnras/stv2185.