TY  - GEN
AU  - O'sullivan, Arthur.
AU  - Sheffrin, Steven M.
TI  - Economics: principles and tools 
SN  - 0137892640
AV  - HB171.5 .O88 1998
PY  - 1998///
CY  - Upper Saddle River, New Jersey
PB  - Prentice Hall International
KW  - Economics
N1  - Includes bibliographical references and index
ER  -