Error control in the set-up of stereo camera systems for 3d animal tracking A. Cavagna, C. Creato, L. Del Castello, I. Giardina, S. Melillo, L. Parisi and M. Viale Eur. Phys. J. Special Topics, 224 17-18 (2015) 3211-3232 Published online: 15 December 2015 DOI: 10.1140/epjst/e2015-50102-3