TY - BOOK AU - Rich,Thomas A. AU - Gilmore,Alden S. TI - Basic concepts of aging: a programmed manual U1 - 305.26 PY - 1972/// CY - Washington, D.C. PB - DHEW KW - Aging KW - Social aspects KW - Gerontology KW - Older people KW - Programmed instruction ER -