Specification for the abbreviation of titles of periodicals.  principles / 
British Standards Institution 
 - 11 leaves :  illustrations ;   21 cm. 
 - British standard ;  BS 4148 : Part 1 : 1970 .
 - British standard ;  BS 4148 : Part 1 : 1970 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Periodicals--Abbreviation of titles--Standards.