1. ETSI. ES 201 873-1 Part 1: TTCN-3 Core Language, Version: 3.1.1. http://www.ttcn-3.org/StandardSuite.htm (2005). Accessed online 31 January 2006
2. ETSI. ES 201 873-1 Part 2: TTCN-3 Tabular presentation Format (TFT), Version: 3.1.1. http://www.ttcn-3.org/StandardSuite.htm (2005). Accessed online 31 January 2006
3. ETSI. ES 201 873-1 Part 3: TTCN-3 Graphical presentation Format (GFT), Version: 3.1.1. http://www.ttcn-3.org/StandardSuite.htm (2005). Accessed online 31 January 2006
4. ETSI. ES 201 873-1 Part 4: TTCN-3 Operational Semantics, Version: 3.1.1. http://www.ttcn-3.org/StandardSuite.htm (2005). Accessed online 31 January 2006
5. ETSI. ES 201 873-5 Part 5: TTCN-3 Runtime Interface (TRI), Version: 3.1.1. http://www.ttcn-3.org/StandardSuite.htm (2005) Accessed online 31 January 2006