Não informado. (1989). The Engineering index bioengineering and biotechnology abstracts. Engineering Information.
Lua i Stíl Chicago (17ú heag.)Não informado. The Engineering Index Bioengineering and Biotechnology Abstracts. New York: Engineering Information, 1989.
Lua MLA (8ú heag.)Não informado. The Engineering Index Bioengineering and Biotechnology Abstracts. Engineering Information, 1989.
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