@unpublished{TUW-113056, author = {Filzmoser, Peter}, title = {Dimension reduction of the explanatory variables in (robust) multiple linear regression}, year = {2002}, note = {invited; talk: XXII International Seminar on Stability Problems for Stochastic Models and Seminar on Statistical Data Analysis (SDA 2002), Varna; 2002-05-25 -- 2002-05-31} }