Specification for liquid chlorine / 
British Standards Institution 
 - 20 leaves :  illustrations ;  30 cm. 
 - British standard ;  BS 3947 : 1976 .
 - British standard ;  BS 3947: 1976 .
<br/><br/><label>ISBN: </label>0580094724 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Liquid chlorine--Standards<br/>Water purification--Standards