Publication date 20 July 2015 Source http://www.legislation.gov.uk/id/eudn/2015/1292 PDF: http://www.legislation.gov.uk/eudn/2015/1292/2015-07-20/data.pdf...
Publication date 9 August 2018 Source http://www.legislation.gov.uk/id/eudn/2018/1575 PDF: http://www.legislation.gov.uk/eudn/2018/1575/2018-08-09/data.pdf...
1046049551 Source Internet Archive identifier: haydnsdictionary11hayd https://archive.org/download/haydnsdictionary11hayd/haydnsdictionary11hayd.pdf...
lowverylowradiof69johl Source Internet Archive identifier: lowverylowradiof69johl https://archive.org/download/lowverylowradiof69johl/lowverylowradiof69johl.pdf...