By Popov T.   Petkov I.   in Vacuum

ISSN:0042-207X|51|2|89-97

Elsevier‎(1998)‎

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By Ivanova B.   Chapkanov A.   Arnaudov M.   Petkov I.   in Structural Chemistry

ISSN:1040-0400|16|1|47-53

Springer Publishing Company ‎(2005)‎

Access to resources Favorite 7.0766783