Systems performance, human factors and systems failures: Hixon analysis 

 - Milton Keynes  Open University Press  1979 
 - 89p. 
<br/><br/><label>ISBN: </label> UKP 1.95 
<br/><br/><label>Source: </label> UKP 1.95 
<br/><br/><label>Dewey Class. No.: </label>600 SYS