546,896 EVALUATION Evaluation and intervention : research on aging : Proceedings of a Symposium of EBSSRS held at Nijmegen in August 1988 / ed. Joep M.A. Munnichs, Nan L. Stevens ; Europe an Behavioral and Social Science Research Section. (International Association of Gerontology). - Berlin ; Nijmegen : University of Nijmegen, 1989. - [4], 191 s. : wykr. ; 21 cm ISBN 3-88962-084-1