Strong electron–phonon interaction and colossal magnetoresistance in EuTiO3 Ruofan Chen, Ji-Chang Ren, Km Rubi, Ramanathan Mahendiran and Jian-Sheng Wang Eur. Phys. J. B, 91 2 (2018) 36 Published online: 12 February 2018 DOI: 10.1140/epjb/e2018-80536-8