Theory of Relational Databases (Hardcover) by David Maier (Author) 

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Hardcover: 640 pages

Publisher: Computer Science Pr (March 1983)

Language: English

[ISBN 0914894420]

You can read this book online for free here (apparently the copyright reverted to the author and he is offering it for free): http://web.cecs.pdx.edu/~maier/TheoryBook/TRD.html