BIGGS, B. J. F. Patterns in benthic algae of streams. Algal Ecology:Freshwater Benthic Ecosystems. 1996, 31-56
DAVIES, A. L. A simple periphyton sampler for algal biomass estimates in streams. Freshwater Biology. 1993, 30, 47-51
FEMINELLA, J. W. Interactions between stream hervivores and periphyton:a quantitative analysis of past experiments. Jpurnal of North American Benthological Society. 1995, 14, 465-509
JONES, J. G. Spatial variation in epilithic algae in a stony stream (Wilfin beck) with particular reference to Cocconeis placentula. Freshwater Biology. 1978, 8, 539-546