TY  - BOOK
AU  - Lipsey , Richard G.
AU  - Chrystal, K. Alec
TI  - Principles of economics
SN  - 9780198775881
AV  - HB171 .L715 1999
PY  - 1999///
CY  - New York
PB  - Oxford University Press
KW  - Economics
KW  - Introduction to positive economics
N1  - It includes bibliographical references and index
ER  -