@book{ValverdeNobregaRiveras2004, author = {R. R. Valverde and H. R. N{\´o}brega Riveras}, title = {Para Conhecer Georg Groddeck, Santo Andr{\´e} (Edi{\c{c}}ðes Berggasse 19) 2004, 115 p.}, year = {2004}, }