BAGNALL, K.W. <br/><br/>
The chemsitry of selenium, tellurium and polonium 

 - Amstermdam  Elssevier pub.  1966 
 - v, 200 p. 
<br/><br/><label>ISBN: </label>49930 
<br/><br/><label>Dewey Class. No.: </label>546.724  / BAG