Quarterman, John S. & Wilhelm,Susanne <br/><br/>
Unix, Posix, and open systems 

 - Addison-Wesley Publishing Company, New York  1993 
 - xxix,416 
<br/><br/><label>ISBN: </label>0-201-52772-3 
<br/><br/><label>Dewey Class. No.: </label>001.61 Qua