Concrete steps and stairs 
Concrete Association of India                                
 - Bombay  Concrete Association of India  1977 
 - 32p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Stairs<br/>Steps
<br/><br/><label>Universal Decimal Class. No.: </label>69.026  / CON