Characteristics and controls of gravel-bed riffles: an analysis of data from the River Habitat Survey
Emery, J.C., Gurnell, A.M., Clifford, N.J. and Petts, G.E. 2004. Characteristics and controls of gravel-bed riffles: an analysis of data from the River Habitat Survey. Chartered Institution of Water and Environmental Management. Journal. 18, pp. 210-216.