By Uzunov T.   Stojanov S.P.   Uzunov T.D.   Lambov S.I.   Stojanov S.P.   in Vacuum

ISSN:0042-207X|47|1|61-65

Elsevier‎(1996)‎

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By Uzunov T.D.   Stojanov S.P.   Lambov S.I.   in Vacuum

ISSN:0042-207X|52|3|321-325

Elsevier‎(1999)‎

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By Uzunov T.D.   Lambov S.I.   Stojanov S.P.   in Vacuum

ISSN:0042-207X|46|11|1347-1350

Elsevier‎(1995)‎

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