@misc{miscc855846d,
title   = {Metallicity effects on the radiatively driven winds of central stars of planetary nebulae},
author = {Keller, Graziela Roswitha and Maciel, Walter Junqueira and Costa, Roberto Dell'Aglio Dias da},
year = {2008},
booktitle   = {Reunião Anual da Sociedade astronômica Brasileira}
}