BERNTSON, G.M. - BAZZAZ, Fakhri A. Elevated CO2 and the magnitude and seasonal dynamics od root production and loss in Betula papyrifera. In Plant and Soil, 1997, č. 190, s. 211-216Error: read handle in (rep.epca.fmtISO690).fmtXDatabaze. Dostupné na internete: <https://link.springer.com/article/10.1023/A:1004222131516>