Items where Author is "Sykes, JB"
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PYATT, F.B., SYKES, J.B., GADD, C. and STOREY, D.M., 1991. Some effects of acidification on Polycelis felina (Dalyell) a freshwater triclad (Platyhelminthes). International Journal of Environmental Education and Information, 5 (4), pp. 175-180.
PYATT, F.B., GADD, C., SYKES, J.B. and STOREY, D.M., 1991. An introductory appraisal of some effects of copper and lead salts on Polycelis spp. International Journal of Environmental Education and Information, 10 (1), pp. 25-37.
