TY  - JOUR
A1  - Lindh, T.
T1  - Productivity is a system property and need not decrease with the age of the workforce
Y1  - 2005
DO  - 10.1553/populationyearbook2005s7
JF  - Vienna Yearbook of Population Research
VL  - 2005
SP  - 7
EP  - -9

ER  -