Discussion on "The long-distance telephone system of the United Kingdom"
J.A. Fleming, A.J. Stubbs, R.L. Jones, J.E. Kingsbury, P.E. Erikson, F. Tremain, F. Gill, G.C. Marris, E.H. Shaughnessy, S.M. Catterson, F. Jacob, H.F. Kortheuer
(+25 others)
1921
Journal of the Institution of Electrical Engineers