1. M. Diaz, J.-P. Ansart, J.-P. Courtiat, P. Azema, V. Chari (eds.): „The Formal Description Technique Estelle“; Elsevier Science Publishers B.V. ( North-Holland ), 1989
2. ISO 9074: „Information Processing Systems — Open Systems Interconnection-ESTELLE-A FDT Based on an Extended State Transition Model“; 1989
3. ISO/IEC 10026–1, 10026–2,10026–3: „Information Technology — Open Systems Interconnection- Distributed Transaction Processing — Part 1:Model, Part 2:Service Definition, Part 3: Protocol Specification“; 1992
4. P.D. Amer, F. Ceceli: „Estelle Formal Specification of ISO Virtual Terminal“; Computer Standards and Interfaces 9 (1989), pp. 87–104
5. J.M. Janas, H.R. Wiehle: „On the State of Affairs in OSI Transaction Processing“; Proc. of the IEEE Computer Networking Symposium, Washington, D.C., April 11–13, 1988, pp. 53–61