Radomir S. Stankovic Non-Abelian Groups in Optimization of Decision Diagrams Representations of Discrete Functions. [Citation Graph (0, 0)][DBLP] Formal Methods in System Design, 2001, v:18, n:3, pp:209-231 [Journal]
Graeme Smith, John Derrick Specification, Refinement and Verification of Concurrent Systems-An Integration of Object-Z and CSP. [Citation Graph (0, 0)][DBLP] Formal Methods in System Design, 2001, v:18, n:3, pp:249-284 [Journal]