References from:
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Athleticum Employed as a Golf consultant with the Athleticum Sportsmakets in Basel - Switzerland
   
Aldiana Aldiana Club, Andalusia, Spain
   
Jacques Leman Jacques Leman Golf Club, St. Veit an der Glan, Austria
   
Sülfeld Golf Club Suehlfeld e.V.
   
Daidalos TUI Robinson Club „Daidalos" / Greece
   
Buxdehude Golf Club Buxtehude / Germany
   
Warren Golfer Conwy Golf Club, North Wales Professional Peter Lees
   
Warren PGA of Europe