http://en.wikipedia.org/wiki/Unit_test
http://msdn.microsoft.com/en-US/library/ms182517(v=VS.80).aspx
http://msdn.microsoft.com/en-us/library/ms182526(VS.80).aspx
http://ondotnet.com/pub/a/dotnet/2005/07/18/unittesting_2005.html
http://www.geekzone.co.nz/vs2008/4819
http://site.typemock.com/aspnet_unit_testing_page/2009/9/11/unit-testing-aspnet.html
http://www.c-sharpcorner.com/UploadFile/satisharveti/VS2008UnitTesting08132008055534AM/VS2008UnitTesting.aspx
http://visualstudiomagazine.com/articles/2008/06/01/test-your-net-35-apps.aspx
http://msdn.microsoft.com/en-us/library/ms379625(VS.80).aspx
http://www.c-sharpcorner.com/UploadFile/satisharveti/VS2008UnitTesting408192008082932AM/VS2008UnitTesting4.aspx
http://www.codeproject.com/KB/testing/UnitTestVS2008.aspx
http://msdn.microsoft.com/en-us/library/ms182515(VS.90).aspx
http://radio-weblogs.com/0100190/stories/2002/07/25/sixRulesOfUnitTesting.html
http://c2.com/cgi/wiki?UnitTest
http://www.softwaretestinghelp.com/types-of-software-testing/
http://www.exforsys.com/tutorials/testing/testing-types.html
http://www.aptest.com/testtypes.html
http://www.testinggeek.com/index.php/testing-types
http://www.coleyconsulting.co.uk/testtype.htm
http://www.allinterview.com/showanswers/61894.html
