Childs, W.H.J.  <br/><br/>
Physical constants: selected for students  (Book) 

 - 9th ed. 
 - New York  Halsted  1972 
 - 107p.  23 cm. 
<br/><br/><label>ISBN: </label>0412116200 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical constants--Tables
<br/><br/><label>Universal Decimal Class. No.: </label>53.081 CHI  / 11758