TY  - BOOK
AU  - Chamberlain N.W. Au.
AU  -  Cullen D.E. Au.
TI  - Labor sector
U1  - X:97.73.N7, M0 
PY  - 1980///
CY  - New York
PB  - Mcgraw-hill book company U.S.A.    
ER  -