Bell Telephone Laboratories, inc. Technical Information Libraries. Index to current technical literature. Bell Telephone Laboratories.
Citace podle Chicago (17th ed.)Bell Telephone Laboratories, inc. Technical Information Libraries. Index to Current Technical Literature. New York: Bell Telephone Laboratories.
Citace podle MLA (8th ed.)Bell Telephone Laboratories, inc. Technical Information Libraries. Index to Current Technical Literature. Bell Telephone Laboratories.
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