@article {zamar1994estimacion, title = {Estimaci{\'o}n robusta}, journal = {Estad{\'\i}stica espa{\~n}ola}, volume = {36}, number = {137}, year = {1994}, pages = {327{\textendash}387}, publisher = {Instituto Nacional de Estad{\'\i}stica}, author = {Zamar, Ruben H} }