Martin L. Kin <br/><br/>
चुम्बक | Chumbak / 

 - Delhi  Shiksha Bharti  1972 
 - 47p.  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetism 
<br/><br/><label>Dewey Class. No.: </label>538  / M38C