- Mathematical Structures in Computer Science 21(6):1339-1362 (2011)
- ECCE, page 38. ACM, (2008)
- CoRR (2010)
- CoRR (2011)
- Information & Software Technology 43(2):137-149 (2001)
- Information & Software Technology 43(9):551-560 (2001)
- Encyclopedia of Software Engineering, Taylor & Francis, (2010)
- IJISMD 2(4):1-26 (2011)
- IEEE Trans. Software Eng. 33(4):225-237 (2007)
- IEEE Trans. Computers 60(12):1818-1822 (2011)
- J. Log. Algebr. Program. 80(8):481-496 (2011)
- ICTSS, volume 7019 of Lecture Notes in Computer Science, page 48-63. Springer, (2011)
- Information & Software Technology 53(12):1297-1318 (2011)
- Cognition, Technology & Work 13(4):245-258 (2011)
- Softw., Pract. Exper. 41(10):999-1026 (2011)
- Theor. Comput. Sci. 290(1):831-862 (2003)
- ECBS, page 61-70. IEEE Computer Society, (2011)
- FORTE, volume 3235 of Lecture Notes in Computer Science, page 229-242. Springer, (2004)
- COMPSAC, page 91-104. IEEE Computer Society, (2002)
- ACM Comput. Surv. (2009)


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