TY  - BOOK
AU  - Eggers,Melvin A.
AU  - Tussing,A.Dale
TI  - The level of economic activity : : economic processes
U1  - 330.1 EGG T 
PY  - 1965///.
CY  - New York : 
PB  - Holt, 
KW  - Economics
ER  -