1. EMPLOYMENT EARNINGS 35: 160 (1988).
2. Employment and Management Survey 1987
3. FAR EASTERN ECONOMIC REVIEW 145: 14 (10 8 1989).
4. Health Statistics on Older Persons, U.S., 1986: 64 (1987).
5. Report on the International Comparative Survey on the Lives and Perceptions ofthe Elderly 1987