1. Hejlsberg A, Wiltamuth S, Golde P. C# language specification 1.2, MSDN; 2003.
2. Microsoft .NET Framework 1.1 Software Development Kit, Web pages at 〈http://msdn.microsoft.com/netframework/howtoget/〉.
3. Microsoft .NET Framework 2.0 Software Development Kit, Web pages at 〈http://msdn.microsoft.com/netframework/〉.
4. ECMA International, C# language specification, Standard ECMA-334; 2001.
5. Fruja NG. Towards Proving Type Safety of .NET CIL. Science of Computer Programming 2008;72(3):176.