DBpedia – Linked Data Fragments

Matches in DBpedia 2016-04 for { <http://www.ideafinder.com/history/inventions/ballpen.htm> ?p ?o }

• ballpen.htm accessdate "2012-04-25".
• ballpen.htm isCitedBy Retractable_pen.
• ballpen.htm publisher "The Great Idea Finder".
• ballpen.htm title "BALLPOINT PEN".
• ballpen.htm url ballpen.htm.