Martín, James <br/><br/>
Fourth - generation languajes: principles 

 - New Jersey :  Prentice Hall,  1985 
 - 420 p. 
<br/><br/><label>ISBN: </label>0-13-329673-3 
<br/><br/><label>LCCN: </label>000874 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INFORMATICA<br/>LENGUAJES DE PROGRAMACION
<br/><br/><label>Dewey Class. No.: </label>001.642