Não informado. (1990). Canadian journal of applied spectroscopy. Polyscience Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Canadian Journal of Applied Spectroscopy. Québec, Canadá: Polyscience Publications, 1990.
Lua MLA (8ú heag.)Não informado. Canadian Journal of Applied Spectroscopy. Polyscience Publications, 1990.
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