TY  - BOOK
AU  - Kohler,Heinz, x
AU  - x
TI  - Scarcity challenged: An introduction to economics
SN  - x 
U1  - 330/KOS 
PY  - 1968///
CY  - NY.
PB  - Holt
KW  - Economics
KW  - Ecomomic
ER  -