TY - BOOK AU - Kunz,Werner AU - Rittel,Horst W.J. AU - Schwuchow,Werner TI - Methods of analysis and evaluation of information needs: a crit. review SN - 3794034503 (pbk.) : U1 - 028.7 PY - 1977/// CY - California PB - Verlag Dokumentation KW - Information services KW - Use studies KW - Library use studies N1 - Includes bibliographical references and index ER -