Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Sebastiaan van Vlijmen. Engineering, Software and Hypotheses. Electronic Notes in Theoretical Computer Science, 21:1-35, 1999. [doi]
Abstract is missing.