TY - JOUR T1 - Relational Concurrent Refinement: Automata JO - Electronic Notes in Theoretical Computer Science PY - 2009/12/31 AU - Derrick J AU - Boiten E ED - DO - DOI: 10.1016/j.entcs.2009.12.015 VL - 259 IS - C SP - 21 EP - 34 Y2 - 2025/11/27 ER -