August 01 2013 Switzerland Posted by cpoxon In Switzerland 0 comment 2014 March - Die Gruene:http://www.claydondrills.com/uploads/Die%20Gruene%206_3_14.pdf 2013 August - Schweizer Landtechnik:http://www.claydondrills.com/uploads/Article%20in%20Schweizer%20Landtechnik%20(Switzerland)%20-%20August%202013.pdf