Martin, James  1933- <br/><br/>
Fourth-generation languages / 
James Martin. 
 - New Jersey:   Prentice-Hall,   [1985-1986].  
 - 3 v. :  ill. ;  25 cm. 
<br/><br/> A James Martin book. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/>v. 1. Principles -- v. 2. Representative 4GLS. -- v. 3. 4GLS from IBM. 
<br/><br/><label>ISBN: </label>0133297497 0133296733 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fourth generation computers<br/>Programming languages (Electronic computers)
<br/><br/><label>Dewey Class. No.: </label>005.13