The Economist October 29th, 2011 volume 401 issue 8757
Rock Fragmentation by Blasting: Proceedings of the 9th Int. Symp. on Rock Fragmentation by Blasting - Fragblast 9, Sept. 2009, Granada Spain
Filmmakers and Financing: Business Plans for Independents (American Film Market Presents), 9th Edition
Vibrations from Blasting: Workshop hosted by Fragblast 9 - the 9th International Symposium on Rock Fragmentation by Blasting
Advances in Web Mining and Web Usage Analysis: 9th International Workshop on Knowledge Discovery on the Web, WebKDD 2007, and 1st International Workshop