http://blog.prosig.com/2007/11/30/human-exposure-to-vibration-in-buildings-din-4150-21999-06-and-din-45669-11995-06/ Notes, tutorials, news and articles on digital signal capture, processing, techniques and applications Mon, 13 Oct 2008 04:43:03 +0000 http://wordpress.org/?v=2.5