Andersen, M F, Grundahl, F, Christensen-Dalsgaard, J, Frandsen, S, Gråe Jørgensen, U, Kjeldsen, H, Pallé, P, Skottfelt, J F, Sørensen, A N & Weiss, E 2014, ' Hardware and Software for a Robotic Network of Telescopes-Song ', Revista Mexicana de Astronomia y Astrofisica Serie de Conferencias, vol. 45, pp. 83-86 . < http://www.astroscu.unam.mx/~rmaa/rmsc45_frameset.html >
Overaa Thygesen, A, Frandsen, S, Bruntt, H, Kallinger, T, Andersen, M F, P. Elsworth, Y, Hekker, S, Karoff, C, Stello, D, Brogaard, K F, Burke, C, Caldwell, D & L. Christiansen, J 2012, ' Atmospheric parameters of 82 red giants in the Kepler field ', Astronomy & Astrophysics, vol. 543 . https://doi.org/10.1051/0004-6361/201219237