References
- Andrews , D. F. , Bickel , P. J. , Hampel , F. R. , Huber , P. J. , Rogers , W. H. and Tukey , J. W. “ Robust Estimates of Location: Survey and Advances ” .
- Hogg , R V . 1974 . Adaptive Robust Procedures: a partial review and some suggestions for future applications and theory , 69 : 909 – 27 .