1969), the maximum-likelihood method (Capon 1969; often referred to as higher resolution FK beamforming), the recently developed Rayleigh-wave three-component beamforming (RTBF) method (Wathelet et al. 2018), and noise cross-correlation or seismic noise interferometry techniques (e.g., Hayashi...
http://www.rtbf.be/info/monde/detail_des-dizaines-de-chefs-d-etat-presents-a-la-marche-republicaine?id = 8753976; http://timesofindia.indiatimes.com/world/europe/List-of-leaders-who-attended-Paris-rally/articleshow/45843350.cms ...