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.
Hans-Joachim Klein. Ein korrekte Antworten garantierendes Verfahren zum Umformen von SQL-Anfragen. In Grundlagen von Datenbanken. pages 85-89, 1993.
Abstract is missing.