1. Abiteboul S, Adiba M, Arlow J, et al. (1994) The GOODSTEP project: General object-oriented database for software engineering processes. Proc. 1st Asian Pacific Software Engineering Conference
2. Ada LRM (1983) Ada ’83 Language Reference Manual. ANSI/MIL-STD-1815A-1983
3. Balzer R (1989) Tolerating inconsistency. Proc 5th Int Software Process Workshop
4. Balzer R (1991) Tolerating inconsistency. Proc 13th Int Conf on Software Engineering
5. Bandinelli S, (1993) Computational reflection in software process modeling: the SLANG approach, Proc 15th Int Conf on Software Engineering (ICSE 1993). IEEE CS/ACM, 1993:144–154