TY - JOUR AU - È. E. Vainstein AU - I. B. Staryi AU - M. N. Bril' TI - X-Ray absorption $L$~spectra of lanthanum, praseodymium, neodymium and samarium in oxides and fluorides JO - Doklady Akademii Nauk PY - 1963 SP - 120 EP - 121 VL - 151 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_151_1_a31/ LA - ru ID - DAN_1963_151_1_a31 ER -