Hodges, Andrew,  1949-. <br/><br/>
Alan Turing, the enigma :  the enigma / 
Andrew Hodges. 
 - New York :  Simon & Schuster,  1983. 
 - 587 p., 8 p. of plates :  ill., ports ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0671528092 
<br/><br/><label>Subjects--Personal Names: </label><br/>Turing, Alan Mathison, 1912-1954.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematicians--Biography.--Great Britain
<br/><br/><label>LC Class. No.: </label>QA29  / .T8H63