Harwin, Ronald. <br/><br/>
Healthy computing :  risks and remedies every computer user needs to know / 
Ronald Harwin & Colin Haynes. 
 - New York :  Amacom,  c1992. 
 - xii, 146 p. :  ill. 
<br/><br/><label>ISBN: </label>0814477666 
<br/><br/><label>LCCN: </label>92014263     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Video display terminals--Health aspects.<br/>Computers--Health aspects.