WebmedCentral.com

Davies RW, Reynoldson TB (1969) The incidence and intensity of predation on lake dwelling triclads in the laboratory. Ecology 50: 845–853. Davies RW, Dratnal E (1996) Differences in energy allocation during growth and reproduction by semelparous and iteroparous Nephelopsis obscura (Erpobdellidae). Arch Hydrobiol 138: 45–55. ................
................