Adding referances for SilverLight ToolKit 5

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Visual-Studio

Silverlight

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I have googled so much but couldn't find any solution so i have decided to put my question over here....so please forgive me if this is a stupid question.

I have download silverlight toolkit from here http://silverlight.codeplex.com/releases/view/78435 [Silverlight_5_Toolkit_December_2011.msi].
after i have installed it

1. i could found "Microsoft Silverlight 5 Toolkit December 2011" in my windows7 ultimates "ALL PROGRAMS" list.
but when i clicked on "Toolkit Samples" it shows me "Missing Shortcut" window.

2. and when i unzip the folder "Sample source code" and Open the solution "Silverlight.Controls.Samples.sln" it loads two projects in my "Solution Explorer"
(i) Controls.Samples and (ii) Controls.samples.Common
3. i have fond that when i click on "References" node so many referances are missing.
for example:(i) System.Windows.Controls.Data.DataForm.Toolkit

(ii) System.Windows.Controls.DataVisualization.toolkit
etc.....

4. I couldn't understand from where i have to find DLL which could help to getrid of missing references issue.

NOTE: i have checked both folder named "Binaries" comes in "Sample source code.zip" and "source code.zip" for Required DLLs...but it couldn't help me....