TY  - BOOK
AU  - Ruffin,Roy
AU  - Gregory,Paul R.
TI  - Principles of economics
T2  - Addison-Wesley series in economics
SN  - 0673994880
PY  - 1996///
CY  - Reading, Mass.
PB  - Addison-Wesley Educational Publishers
KW  - Economics
N1  - Includes bibliographical references and index
ER  -