Proakis, John G. <br/><br/>
Digital communications 
John G. Proakis 
 - 2nd ed. 
 - New York  McGraw-Hill  1989 
 - 905 p. : ill. ; 24 cm. 
 - McGraw-Hill series in electrical engineering .
<br/><br/>p. 878-891 
<br/><br/>
<br/><br/><label>ISBN: </label>0070509379  RM217.59 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital communications