1. The Formation of Vegetable Mould Through the Action of Worms with Some Observations on Their Habits;Darwin,1881
2. Earthworm Ecology;Edwards,2004
3. Earthworms—Their Ecology and Relationships with Soils and Land Use;Lee,1985
4. Inventory of the earthworm communities and the state of litter decomposition in the forests of flanders, belgium, and its implications for forest management
5. Soil function in a changing world: The role of invertebrate ecosystem engineers;Lavelle;Eur. J. Soil Biol.,1997