Wikipedia:Articles for deletion/Inverse Doppler effect
meets , quite a lot of presshttp://news.google.co.uk/archivesearch?q=Inverse+Doppler+effect&sourceid=navclient-ff&ie=UTF-8&rlz=1B3GGGL_enGB176GB231&um=1&tab=wn and academic coverage http://scholar.google.com/scholar?hl=en&lr=&q=%22Inverse+Doppler+effect%22&btnG=Search. Seems to have quite a long history of investigation
— User:Salix, 22:51, 8 March 2008 (UTC)
Stance: keep
Cited policy: WP:RS (Wikipedia:Reliable sources)