TY  - BOOK
AU  - Welch, Patrick J.
AU  - Gerry F. Welch.
TI  - Economics, theory and practice
SN  - 0470000287
U1  - 330 W43e 2004 
PY  - 2004///
CY  - Hoboken, NJ : 
PB  - Wiley, 
KW  - Economics
ER  -