S. A. Suchkova, M. S. Yamburov, T. P. Astafurova, and E. E. Sirotkina. “IRON OXYHYDROXIDE EFFECT ON ROOTING OF CUTTINGS OF RIBES NIGRUM AND RIBES RUBRUM”. GEOMATE Journal, vol. 17, no. 61, Feb. 2019, pp. 169-73, https://geomatejournal.com/geomate/article/view/2171.