TY  - BOOK
AU  - Peterson, Willis L.
TI  - Principles of Economics :MACRO /Willis L. Peterson
SN  - 0256028117
U1  - 338.9PET 
PY  - 1983///
CY  - Illinois
PB  - Richard D. Irwin, Inc.
KW  - ECONOMIC DEVELOPMENT-environmental aspects
ER  -