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Competence in independently living older adults: assessment..:

, In: The journals of gerontology / the Gerontological Society of America. James E. Birren, ed.-in-chief
North, Alvin J. ; Ulatowska, Hanna K.. (1981)  5 - p. 576-582
Exemplar:  Zentrale:Magazin Zs fb 2317