- Winter, L.; Casten, R.J.; Lawton, M.P.; Sando, R.L.
- The Relationship Between External Events and Affect States in Older People.
- International Journal of Aging and Human Development, 2000, Vol. 50, 85 - 96
- English (Australia, Canada, UK, USA)
Eligible for inclusion in findings archive
- No, no valid measure of happiness used.