Duncan A M <br/><br/>
Copernicus    On the revolutions of the hevenly spheres.      
Duncan A M 
 -  1976 
<br/><br/><label>Standard No.: </label>21712 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B9xI73, L6