@INPROCEEDINGS{FabregasEtAl09-orders, author = {Ignacio F{\'a}bregas and de Frutos-Escrig, David and Miguel Palomino}, title = {Non-strongly stable orders also define interesting simulation relations}, booktitle = {Algebra and Coalgebra in Computer Science, Third conference CALCO 2009, Udine, Italy, September 7-10, 2009. Proceedings}, editor = {Alexander Kurz and Marina Lenisa and Andrzej Tarlecki}, series = {Lecture Notes in Computer Science}, publisher = {Springer}, year = 2009, volume = 5728, pages = {221-235} }