Kortemaa, H., K. Haahtela, and A. Smolander. “Effect of Soil-Spraying Time on Root-Colonization Ability of Antagonistic Streptomyces Griseoviridis”. Agricultural and Food Science, vol. 6, no. 4, Dec. 1997, pp. 341-8, doi:10.23986/afsci.72797.