@article{article87a85ff7,
title   = {Isothermal annealing of a 620 nm optical absorption band in Brazilian topaz crystals},
author = {Isotani, Sadao and Albuquerque, Antonio Roberto Pereira Leite de and Matsuoka, Masao},
year = {2013},
doi = {10.1016/j.physb.2013.01.040},
journal   = {PHYSICA B-CONDENSED MATTER}
}