General medical and statistic data on blindness and visual impairment
Access to the Modern Library Services for the Blind and Patrially Sighted People.
EL/99/1/068244/PI/I.1.1.e/CONT ...... For problems like mathematics, chemistry,
statistics, wiring diagrams, musics, tabular bookkeeping, cost accounting
solutions must be looked for worldwide or new codes must be developed.
Organisation of ...