D. Parkinson

Invasive earthworms as agents of change in north temperate forests
Bohlen, Patrick J., S. Scheu, C.M. Hale, M.A. McLean, S. Migge, Peter M. Groffman, and D. Parkinson. 2004. “Invasive Earthworms As Agents Of Change In North Temperate Forests”. Front. Ecol. Environ. 8: 427-435.