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Lua i Stíl Chicago (17ú heag.)Maarsen, Poul Klaas. Mechanistic Studies on the Sulphonation of Aniline and Some Derivatives in Sulphuric Acid. [Amsterdam: s.n., 1978.
Lua MLA (8ú heag.)Maarsen, Poul Klaas. Mechanistic Studies on the Sulphonation of Aniline and Some Derivatives in Sulphuric Acid. s.n., 1978.
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