Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information; Hungarian journal of library and information science)
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2006 > 53 > 3 > 128-132
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2007 > 54 > 8 > 343-351