Virtual environments :  developments, applications and challenges / 
edited by Stephanie Trautman, Franchesca Julien 
 - Hauppauge, New York :  Nova Science Pub.,  c2013 
 - x, 179 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781626180901 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Virtual computer systems<br/>Virtual reality<br/>Human--Computer interaction