Li Feng,  Comparison of Frequency-Domain Contention Schemes in Wireless LANs.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2016, vol. 109(1). 72 - 76
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10003356.