Colomb, Robert M., 1942- <br/><br/>
Deductive databases and their applications / 
Robert M. Colomb 
 - London :  Taylor & Francis,  1998 
 - ix, 263 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0748407960  RM292.76 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Deductive databases