Childs, W. H. J. <br/><br/>
Physical constants,  selected for students, 
by W. H. J. Childs ... with seven nomograms. 
 - 7th. ed. 
 - London,  Methuen,   1954. 
 - viii, 77 p.  diagrs.  17 cm. 
 - Methuen's monographs on physical subjects .
<br/><br/> "First published in 1934." 
<br/><br/><label>LCCN: </label>34016677  
<br/><br/><label>Subjects--Topical Terms: </label><br/>FÍSICA
<br/><br/><label>Index Terms--Genre/Form: </label><br/>TABLAS
<br/><br/><label>Dewey Class. No.: </label>530.83