Method for calculating viscosity index of petroleum products and lubricants from kinematic viscosity / 
British Standards Institution 
 - 6 leaves :  illustrations ;   30 cm. 
 - British standard ;  BS 4459 : 1978 .
 - British standard ;  BS 4459  : 1978 .
<br/><br/><label>ISBN: </label>0580100316 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Accuracy.<br/>Kinematic viscosity.<br/>Petroleum products.