TY - BOOK AU - Schulenburg, J. M. G. V. D [ed.] TI - ESSAYS IN SOCIAL SECURITY ECONOMICS U1 - 368.4 PY - 1986/// CY - Berlin PB - Springer-Verlag KW - Social Security -- Cong N1 - Selected Papers Of A Confer. Of The Internat. Institute Of Management., Berlin, 1984 ER -