References
- Anderson, J. B. & Mason, T., 1968: A comparison of benthic macroinvertebrates collected by dredge and basket sampler. — J. Wat. Poll. Control Fed. 40, 252–259.
- Langford, T. E., 1971: The biological assessment of thermal effects in some British rivers. — In: Symposium on Freshwater Biology and Electric Power Generation, Part 1, CERL, 9–39.
- Mann, K. H., 1965: Heated effluents and their effects on the invertebrate fauna of rivers. — Proc. Soc. Wat. Treatment Exam. 14, 45–53.