Submillimeter and infrared spectroscopy on La0.85Sr0.15MnO3 A. Paolone, P. Roy, A. Pimenov, A. Loidl, A. A. Mukhin and A. M. Balbashov Eur. Phys. J. B, 16 2 (2000) 245-250 Published online: 15 July 2000 DOI: 10.1007/s100510070226