Graeber, Frank M. Publikationen aller GIPP-unterstützten Projekte, Deutsches GeoForschungsZentrum;
Asch, Günter 2.4 Seismology, 2.0 Physics of the Earth, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
Graeber, F. M., Asch, G. (1999): Three-dimensional models of P wave velocity and P-to-S velocity ratio in the southern central Andes by simultaneous inversion of local earthquake data. - Journal of Geophysical Research, 104, B9, 20,237-20,256.https://doi.org/10.1029/1999JB900037