Kotzen, Benz, <br/><br/>
Environmental noise barriers  A guide to their visual and acoustic design 
by Benz Kotzen and Colin English 
 - London  E & FN Spon  1999 
 - xviii, 165p. 
<br/><br/><label>ISBN: </label>0419231803 
<br/><br/><label>Dewey Class. No.: </label>620.23  / N99