De Nicola, Rocco and Melgratti, Hernán  Multiparty Testing Preorders.   In:  Trustworthy Global Computing. 0th International Symposium, TGC 2015 Madrid, Spain, August 31 – September 1, 2015 Revised Selected Papers.   Lecture Notes in Computer Science  (9533).  Springer International Publishing, Cham, pp. 16-31.  ISBN 978-3-319-28766-9      (2016)