Martin, James  <br/><br/>
Fourth generation language 

 - New Jersey:   Prentice- Hall, Inc.,   1985 
 - xii, 420p. 
<br/><br/>Vol.1 Principles 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science 
<br/><br/><label>Subjects--Index Terms: </label>Programming language  
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3.06   / M5.1