?url_ver=Z39.88-2004&rft_id=10.1155%2F2020%2F8860371&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.au=Sarang%2C+S.&rft.aulast=Sarang&rft.volume=2020&rft.issn=15308669&rft.atitle=Energy-Efficient+Asynchronous+QoS+MAC+Protocol+for+Wireless+Sensor+Networks&rft.title=Wireless+Communications+and+Mobile+Computing&rft.date=2020&rft.genre=article