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Dyfyniad Arddull ChicagoKonings, Antonius Jacobus Adrianus. Hydrodesulfurization Catalysts: Structure and Activity. [S.l.: s.n.], 1980.
Dyfyniad MLAKonings, Antonius Jacobus Adrianus. Hydrodesulfurization Catalysts: Structure and Activity. s.n.], 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.