Sethi, M . S <br/><br/>
Periodic table and periodic properties 
M S Sethi 
 - NewDelhi  Discovery Publishing House  1992 
 - 101p. 
<br/><br/><label>ISBN: </label>81-7141-161-4 
<br/><br/><label>Subjects--Index Terms: </label>Chemistry  Peridic table 
<br/><br/><label>Dewey Class. No.: </label>54  / SET