R.K. Johnson

Biodiversity and ecosystem function in freshwater sediments
Palmer, M. A., A.P. Covich, B.J. Finlay, J. Gibert, K.D. Hyde, R.K. Johnson, T. Kairesalo, et al. 1997. “Biodiversity And Ecosystem Function In Freshwater Sediments”. Ambio 26: 571-577.