Não informado. (1966). Quarterly reports on sulfur chemistry. Intra-Science Research Foundation.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Reports on Sulfur Chemistry. Santa Monica, Calif: Intra-Science Research Foundation, 1966.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Reports on Sulfur Chemistry. Intra-Science Research Foundation, 1966.
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