@book{7473466,
	author = {Кудрявцев, В.А. and Будрин, П.В.},
	title = {Зеленые удобрения на колхозные поля},
	editor = {тип. "Коминтерн"},
	publisher = {Леноблиздат},
	year = {1936},
	address = {[Ленинград]}
}