Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information; Hungarian journal of library and information science)
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2005 > 52 > 4 > 170-180
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2005 > 52 > 4 > 170-180