McGarry, K. J. <br/><br/>
The Changing Context Of Information    : An Introductory Analysis  
/ by K. J. McGarry 
 - 1st ed. 
 - London:  Clive Bingley,  1981 
 - 189p. 
<br/><br/><label>ISBN: </label>0851573258 
<br/><br/><label>Dewey Class. No.: </label>020  / MCG/T