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 > 6 > 307-319
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2009 > 56 > 7 > 320-326