Vannote, R.L., Minshall, G.W., Cummins, K.W., Sedell, J.R. and Cushing, C.E (1980) The River Continuum Concept. Canadian Journal of Fishery and Aquatic Science, 37, 130-137.
 Cummins, K.W. (1974) Structure and Function of Stream Ecosystems. BioScience, 24, 631-641.
 Jeon, H.S., Obana, M. and Tsujimoto, T. (2014) Concept of Bed Roughness Boundary Layer and Its Application to Bed Load Transport in Flow with Non-Submerged Vegetation. Journal of Water Resource and Protection, 6, 881-887.