The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- E. Percival and H. Whitehead, 1929. A quantitative study of the fauna of some types of stream-bed. J. Ecol. 17:282-314, from p. 311 & overleaf.
- R. M. Badcock, 1949. Studies in stream life in tributaries of the Welsh Dee. J. Anim. Ecol. 18:193-208, from pp. 202-206 and Price, P. W., 1984, Insect Ecology, 2nd ed., New York: John Wiley, p. 23
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