Darcy,John <br/><br/>
Metrology and standardization 

 - London:  ELBS & Heinemann Educational Books,  1971. 
 - 33p.;  15cm 
<br/><br/><label>ISBN: </label>0435672207 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metrology and standardization
<br/><br/><label>Dewey Class. No.: </label>389.15  / DAR