https://globalrangelands.org/agrovoc/grasses - "Seeding rates and coenotic activity as factors of the efficient macrobiosis of herbages-Нормы высева и ценотическая активност..."

https://web.a.ebscohost.com/abstract?direct=true&profile=ehost&scope=site&authtype=crawler&jrnl=20788975&AN=123555952&h=RXZKN7DnvsYA1gOW2evSLKq8vEaTFDiK%2f3WALheiE1u7N2KZ6vfWGaJrlocSvaXZx%2fjoIYCtr9TXrd0RmsIwtA%3d%3d&crl=c&resultNs=AdminWebAuth&resultLocal=ErrCrlNotAuth&crlhashurl=login.aspx%3fdirect%3dtrue%26profile%3dehost%26scope%3dsite%26authtype%3dcrawler%26jrnl%3d20788975%26AN%3d123555952 - "The reaction of barley agrophytocenosis components to coenotic stress "