Falk, R. Comments on the papers given by Roger Wood and Staffan Müller-Witte: Raphael Falk. Conference A Cultural History of Heredity II : 18th and 19th centuries.(2003).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFalk, Raphael. "Comments on the Papers Given by Roger Wood and Staffan Müller-Witte: Raphael Falk." Conference A Cultural History of Heredity II : 18th and 19th Centuries.(2003) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रFalk, Raphael. "Comments on the Papers Given by Roger Wood and Staffan Müller-Witte: Raphael Falk." Conference A Cultural History of Heredity II : 18th and 19th Centuries.(2003), .
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