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O. L. Lange, A. Meyer, B. Budel, Net Photosynthesis Activation of a Desiccated Cyano-bacterium Without Liquid Water in High air Humidity Alone. Experiments with Microcoleus sociatus Isolated from a Desert Soil Crust, Functional Ecology, Vol. 8, No. 1 (Feb., 1994), pp. 52-57
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Lange et al. (1994) studied this question.
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