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 > 3 > 118-122
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2009 > 56 > 8 > 378-392