HIPÓLITO, A., MADEIRA, J., CARMO, R., GASPAR, J. L., (2011) - Neotectonics of Graciosa Island (Azores) – Uncertainty in seismic hazard assessment in a volcanic area with variable slip-rates. In: Earthquake Geology and Archaeology: Science, Society and Critical facilities (C. Grützner, R. Pérez-Lopez, T. Fernández-Steeger, I. Papanikolaou, K. Reicherter, P. G. Silva & A. Vött, Eds.). Proceedings Volume 2 – 2nd INQUA-IGCP 567 International Workshop, Corinth (Greece). ISBN 978-960-466-093-3.