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2011-02-23 09:53:09

Library database

Library database contains bibliographic descriptions of about 12000 printed materials. Search of key words, symbols or exact phrase is simultaneously carried out among all bibliographic descriptions. One can use: 
   • several key words divided by space;  
   • quotation marks to search exact phrase;  
   • only word roots without prefixes and endings;  
   • index of universal decimal classification (UDC).

Key words or phrase:

Bibliographic description:

Additional elements: 

PICTURES

What's causing the unusual ray of white light extending upward from the central horizon? What's causing the unusual ray of white light extending upward from the central horizon?


Spiral Galaxy NGC 6744 Spiral Galaxy NGC 6744


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