TY  - BOOK
AU  - Lebergott,Stanley.
TI  - Manpower in ecomnomic growth:the american record since 1800
U1  - 330 
PY  - 1964///
CY  - N.Y.
PB  - McGraw-Hill.
KW  - Economics
KW  - Economics,Labour,Wages,Unions
KW  - Economic Growth
ER  -