O'Beirn, Thomas Hay  - <br/><br/>
Puzzles and paradoxes  - 

 - 
 - London  O.U.P  1965 
 - xiv, 238p 
<br/><br/>
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculating machines Calculating machines 
<br/><br/><label>Dewey Class. No.: </label>510.78/OBP