Syshchykova, O. and Gryshko, V. 2010. Identification and specific variety of actinomyces of streptomycetes genus in some chernozems of Ukraine. Acta Agraria Debreceniensis. 38 (Nov. 2010), 67–74. DOI:https://doi.org/10.34101/actaagrar/38/2762.