Indian standard code of practice for acoustical design of auditoriums and conference halls 
Indian Standards Institution 
 - New Delhi  Indian Standards Institution  1963 
 - 20p. 
<br/><br/> IS 2526 : 1963 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Acoustical Engineering<br/> Standards <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>083.7:534.84  / ISI