@inproceedings{inproceedingse530fcc7,
title   = {Periodic orbits about the lagragian stable points of the earth-moon system},
author = {Giacaglia, Giorgio E. O.},
year = {1999},
publisher = {ABCM/UNICAMP},
booktitle   = {Congresso Brasileiro de Engenharia Mecânica/Brazilian Congress of Mechanical Engineering}
}