Butterfield, Andrew ButterfieldAndrew; Ngondi, Gerard Ekembe NgondiGerard Ekembe; Kerr, Anne KerrAnne (21 de enero de 2016). Butterfield, Andrew; Ngondi, Gerard Ekembe; Kerr, Anne, eds. Barker sequence. Oxford University Press. ISBN9780199688975. doi:10.1093/acref/9780199688975.001.0001 – via www.oxfordreference.com.
Barker, R.H. (1972). «IEE Control & Automation Division: Chairman's address. Communications in control». Proceedings of the Institution of Electrical Engineers119: 77. doi:10.1049/piee.1972.0014.
Latif, Shahid; Kamran, Muhammad; Masoud, Fahad; Sohaib, Muhammad (2012). «Improving DSSS transmission security using Barker code along binary compliments (CBC12-DSSS)». 2012 International Conference on Emerging Technologies. pp. 1-5. ISBN978-1-4673-4451-7. doi:10.1109/ICET.2012.6375426.
Butterfield, Andrew ButterfieldAndrew; Ngondi, Gerard Ekembe NgondiGerard Ekembe; Kerr, Anne KerrAnne (21 de enero de 2016). Butterfield, Andrew; Ngondi, Gerard Ekembe; Kerr, Anne, eds. Barker sequence. Oxford University Press. ISBN9780199688975. doi:10.1093/acref/9780199688975.001.0001 – via www.oxfordreference.com.