(1978). International symposium on chemistry of natural: Products; symposium papers. Academy of Sciences.
Chicago Style (17. basım) AtıfInternational Symposium on Chemistry of Natural: Products; Symposium Papers. Sofia, Bulgarian: Academy of Sciences, 1978.
MLA (9th ed.) AtıfInternational Symposium on Chemistry of Natural: Products; Symposium Papers. Academy of Sciences, 1978.
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