Darwin, C., De Beer, S. G., Rowlands, M. J., & Skramovsky, B. M. (1967). Darwin's notebooks on transmutation of species. London: British Museum Press.
Παραπομπή Chicago StyleDarwin, Charles, Sir Gavin De Beer, M. J. Rowlands, and B. M. Skramovsky. Darwin's Notebooks On Transmutation of Species. London: British Museum Press, 1967.
Παραπομπή MLADarwin, Charles, Sir Gavin De Beer, M. J. Rowlands, and B. M. Skramovsky. Darwin's Notebooks On Transmutation of Species. London: British Museum Press, 1967.
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