?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Liu&rft.au=Liu%2C+Q&rft.aufirst=Q&rft.date=24+May+2021&rft.atitle=Social+Virtual+Reality+Platform+Comparison+and+Evaluation+Using+a+Guided+Group+Walkthrough+Method&rft.volume=2&rft.title=Frontiers+in+Virtual+Reality&rft.genre=article