TY  - BOOK
AU  - Lipsey, Richard G.,
TI  - An introduction to positive economics
SN  - 0297775979 :;0297775987 (pbk.)
PY  - 1979///
CY  - London
PB  - Weidenfeld and Nicolson
KW  - Economics
N1  - Includes bibliographical references and index
ER  -