Dougherty, Dale <br/><br/>
Sed & awk 
by Dale Dougherty 
 - USA  O'Reilly & Associates  1990 
 - xxii, 397p. 
<br/><br/><label>ISBN: </label>0937175595 
<br/><br/><label>Dewey Class. No.: </label>005.43  / N9030;1