00487nam a2200181Ia 4500 170901s1972 xx 000 0 und d 0837163226 25.33 W30S Wellisch, Hans Subject Retrieval in the Seventies Connecticut Greenwood Publishing Company 1972 180 Gneralities Library and Information sciences Cataloging Wilson, Thomas D. ddc BK 440 440 0 0 ddc 0 0 RAU RAU 2017-10-18 0 25.33 W30S 23149 2017-10-18 2017-10-18 BK