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.bekindtopets.com/hot-offer-Ignition-Coil-for-Coleman-CC100X-CT100U-Trail-Mini-Bikes-save-big/