?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Xiao&rft.aufirst=H&rft.au=Xiao%2C+H&rft.atitle=STAR-RIS+Enhanced+Joint+Physical+Layer+Security+and+Covert+Communications+for+Multi-antenna+mmWave+Systems&rft.title=IEEE+Transactions+on+Wireless+Communications&rft.date=30+January+2024&rft.genre=article