TY  - BOOK
AU  - Wagner,Karin
AU  - Ark,Barl Van
TI  - International productivity differences : measurement and explanations / 
T2  - Contributions to economic analysis; no. 233, 
SN  - 0444824170
U1  - 338.9 
PY  - 1996///
CY  - New York : 
PB  - Elsevier , 
KW  - INDUSTRIAL PRODUCTIVITY
N1  - NULL
ER  -