updated duration of Orekit/Commons math training (2 days were too short) updated prices for 2011
updated duration of Orekit/Commons math training (2 days were too short)
updated prices for 2011

attatrol/Orekit,ProjectPersephone/Orekit,petrushy/Orekit,ProjectPersephone/Orekit,liscju/Orekit,Yakushima/Orekit,liscju/Orekit,CS-SI/Orekit,treeform/orekit,Yakushima/Orekit,wardev/orekit,CS-SI/Orekit,petrushy/Orekit,attatrol/Orekit