: 'News in brief', Engineering & Technology, 2012, 7, (10), p. 13-14, DOI: 10.1049/et.2012.1025
IET Digital Library, https://digital-library.theiet.org/;jsessionid=bj7hgwahlf99.x-iet-live-01content/journals/10.1049/et.2012.1025