TY  - BOOK
AU  - Ralph Murray Havens
AU  - Dale L Cramer
AU  -  John S Henderson
TI  - Economics: Principles of income, prices, and growth 
AV  - HB 177, .H38 1966
PY  - 1966///
CY  - New York
PB  - Macmillan
KW  - Economics
N1  - Includes index
ER  -