@article{article527cfbe3,
title   = {Numerical renormalization-group computation of specific heats},
author = {Costa, S. C. and Paula, C A and Líbero, Valter Luiz and Oliveira, Luiz Nunes de},
year = {1997},
doi = {10.1103/physrevb.55.30},
journal   = {Physical Review B}
}