: 'Submersible pumping plant', Journal of the IEE, 1960, 6, (61), p. 33-34, DOI: 10.1049/jiee-3.1960.0018
IET Digital Library, https://digital-library.theiet.org/;jsessionid=65i6jf1j4h83r.x-iet-live-01content/journals/10.1049/jiee-3.1960.0018