TY - BOOK AU - BARNETT W.A AU - International Symposium In Economic Theroy And Econonmetric (5th) ED - International Symposium In Economic Theroy And Econonmetric (5th) TI - Non parametric and semiparametric methods in econo U1 - X:(B), N1 PY - 1991/// CY - Cambridge PB - Cambridge University Press KW - Mathematical Economics ER -