@inproceedings{inproceedings5b10a4ed,
title   = {Parsec-scale activity in BL Lacertae: signature of relativistic jet precession},
author = {Caproni, A and Abraham, Zulema and Monteiro, H},
year = {2013},
publisher = {International Astronomical Union},
booktitle   = {Latin American Regional IAU Meeting}
}