Methods of test for petroleum and its products.   Part 58,   softening point of bitumen / 
British Standards Institution. 
 - 7 pages ;  33cm. 
 - British standard ;  BS 2000 : PART 58 : 1988 .
 - British standard ;  BS 2000 : PART 58 : 1988 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bitumen--Great Britain.<br/>Petroleum products--Analysis.