Högy et al. (2009)
Also: Högy et al. 2009
Effects of elevated CO2 on grain yield and quality of wheat: results from a 3-year free-air CO2 enrichment experiment
Högy, P., Wieser, H., Köhler, P., Schwadorf, K., Breuer, J., Franzaring, J., ... & Fangmeier, A. (2009). Effects of elevated CO2 on grain yield and quality of wheat: results from a 3‐year free‐air CO2 enrichment experiment. Plant Biology, 11, 60-69. Link to paper
DOI: https://doi.org/10.1111/j.1438-8677.2009.00230.x
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.