TY - BOOK ED - World Health Organization (Geneva) TI - Aging and working capacity: report of a who study group SN - 92-4-120835-x U1 - 612.67 21st PY - 1993/// CY - Geneva PB - WHO KW - Aging; Geriatrics; Work capacity evaluation; Ability, Influence of age on; Geriatrics-Psychosomatic aspects ER -