@inproceedings{inproceedings6a611798,
title   = {The star formation rate in Milky Way: results from stars and planetary nebulae},
author = {Maciel, Walter Junqueira and Rocha-Pinto, H. J. and Costa, Roberto Dell'Aglio Dias da},
year = {2011},
publisher = {International Astronomical Union},
booktitle   = {IAU Symposium}
}