SIMOJOKI, A., O. FAZEKAS-BECKER, and R. HORN. “Macro- and Microscale Gaseous Diffusion in a Stagnic Luvisol As Affected by Compaction and Reduced Tillage”. Agricultural and Food Science, vol. 17, no. 3, Jan. 2008, pp. 252-64, doi:10.2137/145960608786118820.