UNIX Time-Sharing System  UNIX programmer's manual 
Bell Telephone Laboratories                                  
 - 7th ed. 
 - New York  Holt Rinehard and Winston  1983 
 - vii, 616p. 
<br/><br/><label>ISBN: </label>0-03-061743-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics thesaurus<br/>Computer Programming<br/>UNIX
<br/><br/><label>Universal Decimal Class. No.: </label>(035)519.68  / BEL-2