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Optimized Distribution and Subtransmission Planning by Digital Computer IV-Subtransmission System DesignHyland, E. J.; Ramthun, M. K.; Smith, J. A.; Ender, R. C. · 1965
Optimized Distribution and Subtransmission Planning by Digital Computer: V - The Total SystemBoess, M.R.; Gangel, M.W.; Reinbold, R.E.; Schultz, N.R. · 1966