TY  - BOOK
AU  - Amacher, Ryan C.
AU  - Ulbrich, Holley H.
TI  - Principles of economics
SN  - 0538800720
U1  - GC 330 Am11 1989 
PY  - 1989///
CY  - Cincinnati, Ohio
PB  - South-Western Pub.
KW  - Economics
N1  - Includes index
ER  -