Tiwari, Suryaprakash <br/><br/>
चुम्बक | Chumbak / 

 - New Delhi  Vigyan Bharti  1995 
 - 48p.  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy
<br/><br/><label>Dewey Class. No.: </label>549.782  / TIW-C