Magnetic couplings vs. stress and strain in epitaxial (La, Sr)MnO3 Giuseppe Colizzi, Alessio Filippetti, Fabrizio Cossu and Vincenzo Fiorentini Eur. Phys. J. B, 70 3 (2009) 343-346 Published online: 08 July 2009 DOI: 10.1140/epjb/e2009-00233-1