TY  - BOOK
AU  - Lipsey, Richard G.
TI  - An introduction to positive economics
SN  - 297795562
U1  - 301/LIP 
PY  - 1989///
CY  - [s.l.]
PB  - English Language Book Society
KW  - Social science
KW  - Economics
N1  - Includes glossary and index
ER  -