@article{miller_shafer_schoeneberger_pursley_horton_davey_1997, title={Influence of a mycorrhizal fungus and/or rhizobium on growth and biomass partitioning of subterranean clover exposed to ozone}, volume={96}, ISSN={["0049-6979"]}, DOI={10.1023/A:1026496420809}, number={1-4}, journal={WATER AIR AND SOIL POLLUTION}, author={Miller, JE and Shafer, SR and Schoeneberger, MM and Pursley, WA and Horton, SJ and Davey, CB}, year={1997}, month={May}, pages={233–248} }
 @inbook{davey_wollum_1984, title={Nitrogen fixation systems in forest plantations}, ISBN={9780121209803}, booktitle={Nutrition of plantation forests}, publisher={London: Academic Press}, author={Davey, C. B. and Wollum, A. G., II}, year={1984}, pages={361} }