@article {uvigo:shorteners, title = {Realizable minimum mean-squared error channel shorteners}, journal = {IEEE Transactions on Signal Processing}, volume = {53}, number = {11}, year = {2005}, month = {November}, pages = {4354{\textendash}4362}, keywords = {adaptive signal processing, Channel shortening}, doi = {10.1109/TSP.2005.857050}, author = {R. L{\'o}pez-Valcarce} }