A.Weintraub's presentation

A.Weintraub

A.Weintraub and Clovis Gonzaga

Clovis Gonzaga

Hugo Scolnik-A.Weintraub

Hugo Scolnik-Clovis Gonzaga

Clovis'presentation

Clovis

Clovis

A.Weintraub-Nelson Maculan-Roberto Andreani

Group

José Mario Martínez-Ernesto Birgin

Susana Scheimberg

Neli Echebest-Laura Schuverdt

Ana Friedlander

Claudia Justel

Vera Lucia Rocha Lopes and Maria Aparecida Diniz Erhardt

Nelson Maculan-Hugo Scolnik

Nelson Maculan-Hugo Scolnik

Alfredo Iusem-Roberto Andreani-Hugo Scolnik-Susana Scheimberg-Ernesto Birgin