TY  - BOOK
AU  - Lipsey,Richard Y  .
AU  - Chrystal,K.Alec  .
TI  - Principles of economics / 
SN  - 019877639x
U1  - 330 
PY  - 1999///
CY  - New York : 
PB  - Oxford University Press , 
KW  - ECONOMICS
N1  - Includes index
ER  -