Title: Biologicheskai︠a︡ fiksat︠s︡ii︠a︡ azota atmosfery.
Authors: Fedorov, M. V.
Publisher: Gos. izd-vo selʹskokhozi︠a︡ĭstvennoĭ lit-ry,
Year: 1948
Subjects: Soil microbiology.; Nitrogen