Citroen 2CV is designed by Hoexbroel: http://www.eurobricks.com/forum/index.php?showtopic=83877
You find an instruction in http://www.hispabrickmagazine.com/content/hispabrick-magazine-014

The decals are from http://www.modellbahndecals.de

The graved bricks are from http://www.steinewelten.de/gravur-werkstatt