Wielandt, Erhard, et al. “Development of Instruments for the Detection and Recording of Seismic Signals. Metadata of the Seismological Networks of the Latin American and Caribbean Region”. Revista De La Academia Colombiana De Ciencias Exactas, Físicas Y Naturales, vol. 45, no. 174, Jan. 2021, pp. 313-32, doi:10.18257/raccefyn.1166.