@inproceedings{inproceedings41175ebf,
title   = {Precession in extragalactic Parsec-scale accretion disks},
author = {Caproni, Anderson and Livio, Mario and Abraham, Zulema and Mosquera Cuesta, Herman J},
year = {2010},
publisher = {Cambridge University Press},
booktitle   = {IAU Symposium}
}