Code of practice for mechanical ventilation and air conditioning in buildings / 
British Standards Institution. 
 - 76 pages ;  33cm. 
 - British standard ;  BS 5720 : 1979 .
 - British standard ;  BS 5720 : 1979 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Refrigeration and refrigerating machinery.<br/>Buildings--Heating and ventilation.