Bate, Joseph, JOhn <br/><br/>
Fourth-generation languages udner DOS and UNIX 

 - Oxford  BSP Professional Books  1987 
 - vi,200p.  23 cm. 
<br/><br/><label>ISBN: </label>063201833X 
<br/><br/><label>Dewey Class. No.: </label>005.13  / JOH