TY  - BOOK
AU  - Lipsey, Richard G.
TI  - An Introduction to Positive Economics
SN  - 0297782665
AV  - HB171.5.lip. 
PY  - 1986///
CY  - London.
PB  - Weidenfeld and Nicolson.
N1  - Includes bibliographical references and index
ER  -