TY - BOOK AU - Nicolae M. Avram, Mikhail G. Brik TI - Optical Properties of 3d-Ions in Crystals SN - 9783642308383 PY - 2013/// PB - Springer Berlin Heidelberg KW - Physics and Astronomy UR - https://doi.org/10.1007/978-3-642-30838-3 ER -