@article{Berger_VR,
 author = {Berger, Helmut and Dittenbach, Michael and Merkl, Dieter and Bogdanovych, Anton and Simoff, Simeon and Sierra, Carles},
 title = {Opening New Dimension for e-Tourism},
 journal = {Special Issue: Virtual Reality in the e-Society, Virtual Reality},
 volume = {December},
 year = {2006},
 issn = {1359-4338},
 publisher = {Springer},
 address = {London, England},
 }