1. 1) Bertelli, T. (1872) Osservazioni sui piccoli movimenti dei pendoli in relazione od alcuni fenomeni meteorologici. Bull. Meteorol. dell’Osservatorio dell Coll. Rom. Roma, Italy, vol. 11, no. 11.
2. 2) Meltzer, A., Rudnick, R., Zeitler, P., Levander, A., Humphreys, G., Karlstrom, K., Ekström, G., Carlson, R., Dixon, T., Gurnis, M., Shearer, P. and Van Der Hilst, R. (1999) USArray initiative. GSA Today 9, 8–10.
3. 3) Okada, Y., Kasahara, K., Hori, S., Obara, K., Sekiguchi, S., Fujiwara, H. and Yamamoto, A. (2004) Recent progress of seismic observation networks in Japan: Hi-net, F-net, K-net, KiK-net. Earth Planets Space 56, xv–xviii.
4. 4) Snieder, R. and Larose, E. (2013) Extracting Earth’s elastic wave response from noise measurements. Annu. Rev. Earth Planet. Sci. 41, 183–206.
5. 5) Snieder, R. (2004) Extracting the Green’s function from the correlation of coda waves: A derivation based on stationary phase. Phys. Rev. E 69, 046610.