Caillard, E. M. . <br/><br/>
The Invisible Powers of Nature /  Textual Documents 
E. M. Caillard. 
 - 1st ed / 
 - London :  John Murray ,  1988. 
 - 252p. :  ill ;  14 cm . 
<br/><br/><label>ISBN: </label> PB 
<br/><br/><label>Subjects--Index Terms: </label>Physics T/G-Physics 
<br/><br/><label>Dewey Class. No.: </label>530  / C 121 In