Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information; Hungarian journal of library and information science)
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2007 > 54 > 6 > 249-254
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2007 > 54 > 6 > 249-254