Hodges, Andrew <br/><br/>
Alan Turing:  the enigma/ 
Andrew Hodges. 
 - London:  Burnett Books,  1983. 
 - 586 p., [8] p. of plates:  ill., ports.;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0091521300 
<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>Dewey Class. No.: </label>510.9  / H688a