TY  - BOOK
AU  - Butler Arthur D.
TI  - Labor economics and institutions
U1  - X:9.73.N6, K1 
PY  - 1961///
CY  - New York
PB  - Macmillan USA        
KW  - Labour Economics -- United States
N1  - Reprinted : New Delhi, Amerind, 1972
ER  -