TY  - BOOK
ED  - United States.
TI  - Comparative job performance by age: office workers
T2  - Its Bulletin,
AV  - HD8051 .A62 no. 1273
U1  - 331.113 
PY  - 1960///
CY  - Washington
PB  - U.S. Bureau of Labor Statistics
KW  - Age and employment
KW  - United States
KW  - Clerks
KW  - Ability, Influence of age on
ER  -