Martin, James <br/><br/>
Fourth-generation languages - 3 Vols. 
James Martin 
 - Englewood Cliffs  Prentice-Hall  1986 
 - xii, 420 p.  ill.  25 cm.  Vol.1: Principles xxvii, 500 p.  Vol.2: Representative 4GLS xxiii, 360 p.  Vol.3:  
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0133296733 (Vol.1) 0133297497 (Vol.2) 0133297640 (Vol.3) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming languages (Electronic computers)<br/>Fourth generation computers
<br/><br/><label>Dewey Class. No.: </label>005.13  / M2F6