Boreale, Michele and Buscemi, Maria Grazia and Montanari, Ugo  D-Fusion: A Distinctive Fusion Calculus.   In:  Proceedings of the Second Asian Symposium on Programming Languages and Systems (APLAS’04).   Lecture Notes in Computer Science, 3302 .  Springer, pp. 296-310.  ISBN 3-540-23724-0      (2004)