@inproceedings{inproceedings30d03c61, title = {Specific heat of a two- level system coupled to a fermionic bath}, author = {Ferreira, J V B and LĂ­bero, Valter Luiz}, year = {1995}, publisher = {Ufrgs}, booktitle = {Simposio Latino-Americano de Fisica do Estado Solido} }