Land improvement
- Author: A. S. Anzhenkov, V. A. Bolbyshko, N. N. Pogodin
- Article code: UDC 6626.86 : 5325
- Author: A. S. Anzhenkov, V. P. Zakrzhevsky, I. O. Mosendz
- Article code: UDC 631.6 : 546.79:631.445.12
- Author: V. I. Seleznev, I. Ch. Kazmiruk, A. A. Levitsky
- Article code: UDC 631.51 : 631.31