RT Journal Article SR Electronic(1) A1 Bonner, John YR 2020 T1 Telecommunications JF BSAVA Companion VO 2020 IS 9 SP 16 OP 17 DO https://doi.org/10.22233/20412495.0920.16 UL https://www.bsavalibrary.com/content/journals/10.22233/20412495.0920.16