Detecting cosmic rays with the LOFAR radio telescope P. Schellart, A. Nelles, S. Buitink, A. Corstanje, J. E. Enriquez, H. Falcke, W. Frieswijk, J. R. Hörandel, A. Horneffer, C. W. James et al. (95 more) A&A, 560 (2013) A98 Published online: 12 December 2013 DOI: 10.1051/0004-6361/201322683