floors in residential buildings 
/ Cement Service Publication 
 - Calcutta:   Cement Service Publication,               
 - 23p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language
<br/><br/><label>Subjects--Index Terms: </label>Industry 
<br/><br/><label>Universal Decimal Class. No.: </label>728:69.025