Freshwater Ecology.
By Michael Jefferies andDerek Mills. Belhaven: 1990. Pp.285. Hbk£27.50, $49; pbk £12.95, $15.
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Fryer, G. Community spirit. Nature 348, 497 (1990). https://doi.org/10.1038/348497a0
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DOI: https://doi.org/10.1038/348497a0