The Design and implementation of the 4.3BSD Unix operating system / 
Samuel J. Leffler [et al.]. 
 - Reading, Mass. :  Addison-Wesley Publ. Comp.,  1989. 
 - XXII, 471 s. :  il. ;  24 cm. 
<br/><br/>Indeks. 
<br/><br/><label>ISBN: </label>0201061961 
<br/><br/><label>Universal Decimal Class. No.: </label>681.3