by Chendev, Yu. G, Sauer, T. J, Gennadiev, A. N, Novykh, L. L, Petin, A. N, Petina, V. I, Zazdravnykh, E. A, Burras, C. L
Published in Eurasian soil science (2015)

by Petin, A. N., Lebedeva, M. G., Petina, M. A., Petina, V. I.
Published in InterCarto. InterGIS (01.01.2016)