@inproceedings{inproceedingsef41170b,
title   = {On the orbit determination of GLIESE-581},
author = {Santos, Marcos Tadeu dos and Ferraz-Mello, Sylvio and Michtchenko, Tatiana Alexandrovna},
year = {2011},
booktitle   = {Reunião Anual da Sociedade Astronômica Brasileira}
}