El-Shafei, A. M. (1983). Technical dictionary. Telecommunications engineering. English-French-German-Arabic. Edition Leipzig.
Citace podle Chicago (17th ed.)El-Shafei, Ahmed Mokhtar. Technical Dictionary. Telecommunications Engineering. English-French-German-Arabic. Leipzig: Edition Leipzig, 1983.
Citace podle MLA (9th ed.)El-Shafei, Ahmed Mokhtar. Technical Dictionary. Telecommunications Engineering. English-French-German-Arabic. Edition Leipzig, 1983.
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