Chen, Y. (1993). Studies of reactions of azulenes with dimethyl acetylenedicarboxylate and their reaction mechanisms. Universität Zürich.
Lua i Stíl Chicago (17ú heag.)Chen, Yi. Studies of Reactions of Azulenes with Dimethyl Acetylenedicarboxylate and Their Reaction Mechanisms. Switzerland: Universität Zürich, 1993.
Lua MLA (8ú heag.)Chen, Yi. Studies of Reactions of Azulenes with Dimethyl Acetylenedicarboxylate and Their Reaction Mechanisms. Universität Zürich, 1993.
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