TY  - BOOK
AU  - Keznets,Simon, x
AU  - x
TI  - Seasonal variations in industry and trade: x
SN  - x      
U1  - 330/KUS 
PY  - 1933///
CY  - N.Y.
PB  - National Bureau of Economic Research
KW  - Industry
KW  - Ecomomics
ER  -