By Levenhagen R.   in Network Security

ISSN:1353-4858|2004|1|13-15

Elsevier‎(2004)‎

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By Levenhagen R. S.   Leister N. V.   Künzel R.   in Astronomy & Astrophysics

ISSN:0004-6361|533|issue|A75-A75

Edp Sciences‎(2011)‎

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