Não informado. (1997). Abstracts in new technologies and engineering. Bowker-Saur.
Citace podle Chicago (17th ed.)Não informado. Abstracts in New Technologies and Engineering. Sussex, Inglaterra: Bowker-Saur, 1997.
Citace podle MLA (8th ed.)Não informado. Abstracts in New Technologies and Engineering. Bowker-Saur, 1997.
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