TY  - BOOK
AU  - Henderson, J. Vernon 
TI  - Principles of economics
SN  - 0699144916
U1  - GC 330 H383 1991 
PY  - 1991///
CY  - Lexington, MA
PB  - D.C Health and Co.
KW  - Economics.
N1  - Incldues index
ER  -