Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information; Hungarian journal of library and information science)
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2009 > 56 > 4 > 174-177
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2009 > 56 > 4 > 167-173
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2009 > 56 > 4 > 178-189