Não informado. (1948). Frontiers of Plant Science. Connecticut Agricultural Experiment Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Frontiers of Plant Science. New Haven, Conn: Connecticut Agricultural Experiment Station, 1948.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Frontiers of Plant Science. Connecticut Agricultural Experiment Station, 1948.
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