@misc{misc75643529,
title   = {Optical linear polarimetry of open clusters and the magnetic field structure of the interestellar medium},
author = {Valentim, Rodolfo and Magalhães, Antonio Mário},
year = {2004},
publisher = {SAB},
booktitle   = {Reunião Anual da Sociedade Astronômica Brasileira}
}