Blance Alan <br/><br/>
Stairs,Steps and Ramps. 

 - 5th ed. 
 -  Butterworth Architecture  1996 
 - 353p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Building Materials
<br/><br/><label>Dewey Class. No.: </label>692.2  / BLA