Document Type : Original Research Paper
Authors
1 The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 26, 1113 Sofia, Bulgaria
2 University of Forestry, 10 Kliment Ohridski Blvd., 1156 Sofia, Bulgaria
3 Agricultural University, 12 Mendeleev Blvd., 4000 Plovdiv, Bulgaria
Abstract
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