Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information; Hungarian journal of library and information science)
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2007 > 54 > 4 > 151-157
Tudomanyos es Muszaki Tajekoztatas ( Scientific and Technical Information;... > 2007 > 54 > 4 > 151-157