1
by Levene, Mark
Published 1992
Springer Berlin Heidelberg
Table of Contents: ...The underlying database models -- The null extended nested relational model -- Null extended data...

2
by Levene, Mark, Loizou, George
Published 1999
Springer London
Table of Contents: ... -- Exercises -- Temporal Relational Databases -- The Importance of Modelling Time -- A Taxonomy of Time...

3
Published 2004
Springer Berlin Heidelberg
Subjects: ...Database Management...