Barnes, A. W. <br/><br/>
The theory and practice of drawing in SI units / 
A. W. Barnes, A. W. Tilbrook 
 - SI ed 
 - London:   English Universities Press, 1970 
 - ix, 253 p.:   ill.;   22 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0340114649 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering drawings