TY  - BOOK
AU  - Mitchell, Wesley C
ED  - National Bureau of Economic Research (New York)
TI  - What happens during business cycles: a progress report
U1  - 338.5406 21st
PY  - 1951///
CY  - New York
PB  - National Bureau of Economic Research
KW  - Business cycles; Economic fluctuation; Index numbers (Economics)
ER  -