TY  - BOOK
AU  - Case, Karl. E .
TI  - Principles of microeconomics 
SN  - 0131994859
U1  - 338.5 CAS 
PY  - 2007///
CY  - New jersey
PB  - Pearson prentice hall
KW  - Microeconomic
KW  - Elasticity
KW  - The world economy
N1  - Includes bibliographical references and index
ER  -