Müller-Wille, S. Characters written with invisible ink: Elements of hybridism 1751 - 1875 / Staffan Müller-Wille. Conference A Cultural History of Heredity II : 18th and 19th centuries.(2003).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMüller-Wille, Staffan. "Characters Written with Invisible Ink: Elements of Hybridism 1751 - 1875 / Staffan Müller-Wille." Conference A Cultural History of Heredity II : 18th and 19th Centuries.(2003) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रMüller-Wille, Staffan. "Characters Written with Invisible Ink: Elements of Hybridism 1751 - 1875 / Staffan Müller-Wille." Conference A Cultural History of Heredity II : 18th and 19th Centuries.(2003), .
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