Chapman, S. . <br/><br/>
The Earth`s Magnetism /  Textual Documents 
S. Chapman. 
 - 2nd ed / 
 - London :  Methuen and Co. Ltd. ,  1936. 
 - 127p. ;  17 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Physics T/G-Physics 
<br/><br/><label>Dewey Class. No.: </label>538  / C 366 Ea