1997 journal article
Influence of a mycorrhizal fungus and/or rhizobium on growth and biomass partitioning of subterranean clover exposed to ozone
Water, Air, and Soil Pollution, 96(1-4), 233–248.
By: J. Miller, S. Shafer, M. Schoeneberger, W. Pursley, S. Horton & C. Davey
Nitrogen fixation systems in forest plantations
In Nutrition of plantation forests (p. 361). London: Academic Press.
By: C. Davey & A. Wollum