@article{articleb6ee2ec9,
title   = {Optimal X-ray spectra selection in digital mammography: a semi-analytical study},
author = {Tomal, A. and Cunha, D. M. and Poletti, Martín Eduardo},
year = {2013},
doi = {10.1109/TNS.2012.2224884},
journal   = {IEEE Transactions on Nuclear Science}
}