In several recent reports. we have explained the frequency dependence of the apparent seismic quality-factor (Q) observed in many studies according to the effects of geometrical attenuation. which was defined as the zero-frequency limit of the temporal attenuation coefficient. In particular. https://www.jmannino.com/amazing-price-Sensationnel-Cloud-9-Glueless-What-Lace-13x6-HD-Swiss-Lace-Front-Wig-BRIELLE-big-savings/