Ryder, J. D. (1955). Networks, lines and fields (2nd ed.). Prentice Hall of India.
Παραπομπή Chicago StyleRyder, John D. Networks, Lines and Fields. 2nd ed. New Delhi: Prentice Hall of India, 1955.
Παραπομπή MLARyder, John D. Networks, Lines and Fields. 2nd ed. Prentice Hall of India, 1955.
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