McHale, John <br/><br/>
The changing information environment / 
(by) John McHale. 
 - London :  Elek,  1976 
 - Environmental studies .
<br/><br/>Index 
<br/><br/><label>ISBN: </label>0236400525 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science--Social aspects