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47by Simeonova Pavlina, Sarbu Costel, Spanos Thomas, Simeonov Vasil, Tsakovski StefanGet full text
Published 2006-03-01
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51by S. D. Simeonova, D. E. Solakov, G. Leydecker, H. Busche, T. Schmitt, D. KaiserGet full text
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54by I. Simeonova, T. Perchemlieva, St. Petrova, G. Trifonov, G. Iliev3 , I. MladenovaGet full text
Published 2020-12-01
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58by Maria Krasteva, Yana Koycheva, Rositsa Racheva, Teodora Taseva, Tsveta Raycheva, Stiliana Simeonova, Boryan AndreevGet full text
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