Bormann, Peter Information Sheets, New Manual of Seismological Observatory Practice (NMSOP), Deutsches GeoForschungsZentrum;
IS_3.2_rev1.pdf (Publisher version), 40KB
Bormann, P. (2009 online): Proposal for unique magnitude nomenclature. - In: Bormann, P. (Ed.), New Manual of Seismological Observatory Practice (NMSOP), Potsdam : Deutsches GeoForschungsZentrum GFZ, 1-6.https://doi.org/10.2312/GFZ.NMSOP_r1_IS_3.2
