SDL Silesian Digital Library http://www.sbc.org.pl/dlibra/SDL_en.jpg Silesia, silesia digital library, dLibra, digital library, biblioteka cyfrowa, biblioteki cyfrowe, metadane, Dublin Core, publications, edition, book, short story, brochure, print, bookshop, platform system manage digital libraries, sources, wielkopolska biblioteka cyfrowa, naukowa, academic, Poznan, Poznan Foundation of scientific libraries, Poznan Supercomputer and Networking Center, dlibra, libra, publishing, editing, author, writer, poet, poem, history, lyric, prose, poetry, publication description, cultural inheritance, catalogue, education, monograph, manuals, regional materials Silesia Digital Library UTF-8 Poznan Supercomputing and Networking Center