TY - CONF T1 - Hierarchical states in the Compositional Interchange Format JO - Electronic Proceedings in Theoretical Computer Science UR - https://doi.org/10.4204/eptcs.32.4 PY - 2010/08/11 AU - Beohar H AU - Nadales Agut DE AU - van Beek DA AU - Cuijpers PJL ED - DO - DOI: 10.4204/eptcs.32.4 PB - Open Publishing Association VL - 32 SP - 42 EP - 56 Y2 - 2025/11/29 ER -