Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information; Hungarian journal of library and information science)
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2004 > 51 > 2 > 72-77
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2004 > 51 > 11 > 484-494