Gottfried Vossen. Datenmodelle, Datenbanksprachen und Datenbank-Management-Systeme. Addison-Wesley, 1990.
@book{Vossen90,
title = {Datenmodelle, Datenbanksprachen und Datenbank-Management-Systeme},
author = {Gottfried Vossen},
year = {1990},
researchr = {https://researchr.org/publication/Vossen90},
cites = {0},
citedby = {0},
publisher = {Addison-Wesley},
}