The Lichen Symbiosis
By Vernon Ahmadjian. (A Blaisdell Book in the Pure and Applied Sciences.) Pp. viii + 152. (Waltham, Mass., and London: Blaisdell Publishing Company, a Division of Ginn and Company, 1967.) $5.75.
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RICHARDSON, D. To Split or not to Split. Nature 216, 414 (1967). https://doi.org/10.1038/216414a0
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DOI: https://doi.org/10.1038/216414a0