1. Zakharova N.N., Isaichev V.A., Zakharov N.G., Fundamentals of adaptive selection of winter soft wheat in the forest-steppe of the Middle Volga region, Publishing house of Ulyanovsk State Agrarian University, Ulyanovsk, ISBN 978–5-6046667–9-1, 216 (2022)
2. Methodology for state variety testing of agricultural crops, Second issue, Cereals, cereals, legumes, corn and forage crops, Moscow, 194 (1989)