Chorafas, Dimitris N <br/><br/>
Fourth and fifth generation programming languages, Vol 1: integrated software, database languages, & expert systems 

 - McGraw - Hill, New York  c1986 
 - xii, 283 
<br/><br/><label>ISBN: </label>0-07-010864-1 
<br/><br/><label>Dewey Class. No.: </label>001.6424 Cho