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VIRTUAL LIBRARY of the UNIVERSITY OF CHEMICAL TECHNOLOGY AND METALLURGY |
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WITH the COOPERATION of the STATE AGENCY for INFORMATION TECHNOLOGY and COMMUNICATIONS |
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The content of eLSe is protected by the Copyright Law.
Copyright ®
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Version 5.5.0-U / 15.10.2007
Copyright® 2001-2007 Bulgarian Virtual University
Copyright® 2001-2007 Bulgarian Virtual University