reflection and refraction of seismic waves
{"Image DocumentName": "Reflection and refraction of seismic waves", "Image ImageDescription": "2017/4/17. Reflection and refraction of seismic waves.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}