@inbook{inbook6c61436f,
title   = {Perguntas e respostas na conversação},
author = {Urbano, H and Fávero, Leonor Lopes and Andrade, M L C V O and Aquino, Z G O},
year = {1993},
publisher = {Unicamp/Fapesp},
journal   = {Gramatica do Portugues Falado : As Abordagens}
}