1. Abiteboul, S., Hull, R., Vianu, V.: Foundations of Databases. Addison-Wesley, Reading (1995)
2. Aggarwal, G., Bawa, M., Ganesan, P., Garcia-Molina, H., Kenthapadi, K., Motwani, R., Srivastava, U., Thomas, D., Xu, Y.: Two can keep a secret: A distributed architecture for secure database services. In: 2nd Biennial Conference on Innovative Data Systems Research, CIDR 2005, pp. 186–199 (2005)
3. Biskup, J.: Security in Computing Systems – Challenges, Approaches and Solutions. Springer, Heidelberg (2009)
4. Lecture Notes in Computer Science;J. Biskup,2010
5. Biskup, J., Bonatti, P.A.: Controlled query evaluation with open queries for a decidable relational submodel. Annals of Mathematics and Artificial Intelligence 50(1-2), 39–77 (2007)