@book{Pereira, author = {Pereira, S. P.}, title = {O Dilema do Ser Humano na Exist{\^e}ncia, Santa Maria (Imprensa Universit{\´a}ria, UFSM) 2007, 227 p.}, language = {pt} } @book{Pereira, author = {Pereira, S. P.}, title = {O Significado Inconsciente das Imagens, Santa Maria (Imprensa Universit{\´a}ria, UFSM) 2007, 200 p.}, language = {pt} }