National Physical Laboratory :   1962 : Notes on applied science /  
National Physical Laboratory. 
 - London :   H.M.S.O.,   1951- 
 - v. 
<br/><br/><label>Subjects--Index Terms: </label>ფიზიკა პერიოდიკა 
<br/><br/><label>Universal Decimal Class. No.: </label>53(05)