If it\'s not which I almost sure in, then what\'s the role of mscorlib.dll and where CLR is situated?
mscorlib.dll is holding some fundamental classes of .net such as system.
use reflector to what classes and namespaces mscorlib.dll is carrying.
also your could find information on CLR here : http://msdn.microsoft.com/en-us/library/8bs2ecf4.aspx