Deen, S. M. <br/><br/>
Principles and practice of database systems / 
S.M. Deen. 
 - Houndmills, Basingstoke, Hampshire :  Great Neck, N.Y. :  Macmillan Publishers ;  Distributed exclusively by Scholium Internationl,  1985. 
 - xiii, 393 p. :  ill. ;  24 cm. 
 - Macmillan computer science series .