Rönkkö, R., Pennanen, T., Smolander, A., Kitunen, V., Kortemaa, H., & Haahtela, K. (1994). Quantification of Frankia Strains and Other Root-Associated Bacteria in Pure Cultures and in the Rhizosphere of Axenic Seedlings by High-Performance Liquid Chromatography-Based Muramic Acid Assay.

Rönkkö, R., T. Pennanen, A. Smolander, V. Kitunen, H. Kortemaa, ja K. Haahtela. Quantification of Frankia Strains and Other Root-Associated Bacteria in Pure Cultures and in the Rhizosphere of Axenic Seedlings By High-Performance Liquid Chromatography-Based Muramic Acid Assay. 1994.

Rönkkö, R., et al. Quantification of Frankia Strains and Other Root-Associated Bacteria in Pure Cultures and in the Rhizosphere of Axenic Seedlings By High-Performance Liquid Chromatography-Based Muramic Acid Assay. 1994.