TY  - BOOK
AU  - Halm,George N.
TI  - Economic Systems: a comparative analysis
SN  - 039100480
AV  - 330.1 HAL 
U1  - 330.1 HAL 22
PY  - 1968///
CY  - London
PB  - Holt,Rinehart & winston
ER  -