Database programming languages :  deductive, functional, persistent and object-oriented approaches / 
Norman Paton... [et al.] 
 - London :  Prentice Hall,  1995 
 - 289 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0135084342  RM47.38 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming languages (Electronic computers)