Classification for information retrieval
International study on classification for information retrieval (1957: May. 13-17: England)
Classification for information retrieval - London Pergamon Press 1957 - 151p. 24 cm.
Roman
Library classification - confeences
020
Classification for information retrieval - London Pergamon Press 1957 - 151p. 24 cm.
Roman
Library classification - confeences
020