Many Finnish science libraries use the UDC classification,… Many Finnish science libraries use the UDC classification, both the printed 1983 Finnish version (Fennica), or the Master file at UDC Online https://udc-hub.com/ or the UDC Summary either at https://finto.fi/udcs/fi/ or directly https://udcsummary.info/ Reply
Many Finnish science libraries use the UDC classification, both the printed 1983 Finnish version (Fennica), or the Master file at UDC Online https://udc-hub.com/ or the UDC Summary either at https://finto.fi/udcs/fi/ or directly https://udcsummary.info/