Search based on both languages, 312.000 English terms, 343.000 Hungarian terms, 251 fields of expertise (in a four-level hierarchical division).
Search based on both languages, more than 94.000 English and Hungarian terms, 41 fields of expertise (in a three-level hierarchical division).
Search based on both languages, more than 50.000 English and Hungarian terms, grouped into 263 fields of expertise.
Search based on both languages, 295.000 Russian words and expressions, 345.000 Hungarian terms.
800 headings, 600 images and figures, with English, German, French, Italian, Russian equivalents of the headings.