SMOLANDER, AINONURMIAHO-LASSILA, EEVA-LIISASUNDMAN, VERONICA2020-01-092020-01-0919880334-5114http://hdl.handle.net/10222/77002Effect of a Clay Mineral (Montmorillonite) on the Nodulation of Alnus and on the Nitrogenase Activity of Frankia in Pure CultureText61-237