@inproceedings{Marti-Vidal:2016dy, author = "Marti-Vidal, Ivan and Marcaide, J. M. and Alberdi, Antxon and Brunthaler, Andreas", title = "{Jet precession in the active nucleus of M81. Ongoing VLBI monitoring}", doi = "10.22323/1.178.0065", booktitle = "Proceedings of 11th European VLBI Network Symposium & Users Meeting {\textemdash} PoS(11th EVN Symposium)", year = 2016, volume = "178", pages = "065" }