Levy, Leonard A. . <br/><br/>
Radium and Other Radio-Active Elements /  Textual Documents 
Leonard A.Levy. 
 - 1st ed. / 
 - London :  Percival Marshall Co. ,  Nd. 
 - 105p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Radium Radio-Active Elements G-Chemistry 
<br/><br/><label>Dewey Class. No.: </label>546.432  / L 579 R