1. Baptista, M. A., & Miranda, J. M. (2009). Revision of the Portuguese catalog of tsunamis. Natural Hazards and Earth System Sciences, 9(1):25–42. http://www.nat-hazards-earth-syst-sci.net/9/25/2009/.
2. Bezzeghoud, M., & Buforn, E. (1999). Source parameters of the 1992 Melilla (Spain, MW = 4.8), 1994 Alhoceima (Morocco, MW = 5.8), and 1994 Mascara (Algeria, MW = 5.7) earthquakes and seismotectonic implications. Bulletin of the Seismological Society of America,89, 359–372.
3. Bratt, S. R., & Bache, T. C. (1988). Locating events with sparse network of regional arrays. Bulletin of the Seismological Society of America,78, 780–797.
4. Brillinger, D. R., Udias, A., & Bolt, B. A. (1980). A probability model for regional focal mechanism solutions. Bulletin of the Seismological Society of America,70, 149–170.
5. Buforn, E., Bezzeghoud, M., Udias, A., & Pro, C. (2004). Seismic sources on the Iberia-African plate boundary and their tectonic implications. Pure and Applied Geophysics,161, 623–646.