Add Link to WCF RIA Services from non Silverlight project

I have a default Class Library project, which I want to link to WCF RiA Services, located on other ASP.NET project. I know how to create link to RIA Services from WCF RIA Service Class Library - but it is Silverlight project, which use Silverlight mscorelib.dll and other Silverlight environment libraries. How to c开发者_如何转开发reate link from server (default .net class library) project? (Server to Server link)

I try to create link to WCF Service In Visual Studio2010 by "Add Service Reference" with URL: http://localhost:52878/Services/MyProject-Web-Services-MyService.svc but I get error: 401 Unauthorized At the same time I can view this service in browser (IE, Chrome, FF with input AD credentials) IIS requres Windows Authentication. Please, help.

I can this! - http://msdn.microsoft.com/en-us/library/ee707336(v=VS.91).aspx