Periodic variability of spotted M dwarfs in WTS N.T. Goulding, J.R. Barnes, D.J. Pinfield, C. del Burgo, G. Kovács, J. Birkby, S. Hodgkin, S. Catalán, B. Sipőcz, H.R.A. Jones et al. (2 more) EPJ Web of Conferences, 47 (2013) 01006 Published online: 25 April 2013 DOI: 10.1051/epjconf/20134701006