Tocquet, Robert <br/><br/>
The magic of numbers :  lighting calculators and their secrets, how to do mental arithmetic, animal calculator / 
Robert Tocquet ; translated by Denis Weaver 
 - London :  EBK Books,  1957,c1960 
 - 160 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label> USD 15.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic, Mental<br/>Animal intelligence<br/>Prodigies, Mathematical<br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510