Northrop, Eugene P <br/><br/>
Riddles in mathematics: A book of paradoxes 

 -  English Universities Press Ltd., London  1959 
 - 242 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics - Generalities
<br/><br/><label>Dewey Class. No.: </label>511  NOR-R