TY  - BOOK
AU  - Davidson,Ralph Kirby
TI  - Economics: an analytical approach 
T2  - The Irwin series in economics
U1  - 330.1 
PY  - 1962///
CY  - Homewood, Ill.
PB  - R. D. Irwin
KW  - Economics
N1  - Includes index
ER  -