Wikipedia:Articles for deletion/Piper Knife System
After searches, not finding coverage in reliable sources for this topic. Therefore, the topic appears to fail . This source in the article does not cover the topic: http://stbweb02.stb.sun.ac.za/urdr/downloads/Elsiesrivier.pdf ElsiesRiver Transformation Research Project
— User:Northamerica1000, 17:32, 20 April 2012 (UTC)
Stance: delete
Cited policy: WP:GNG (Wikipedia:Notability)