Magnetic field structure in single late-type giants: β Ceti in 2010–2012 S. Tsvetkova, P. Petit, M. Aurière, R. Konstantinova-Antova, G. A. Wade, C. Charbonnel, T. Decressin and R. Bogdanovski A&A, 556 (2013) A43 Published online: 23 July 2013 DOI: 10.1051/0004-6361/201321051