TY  - BOOK
AU  - Welch,Patrick J.
AU  - Welch,Gerry F.
TI  - Economics: theory and practice 
SN  - 0030244765
PY  - 1998///
CY  - Fort Worth, TX.
PB  - Dryden Press
KW  - Economics
N1  - includes bibliographical references and index
ER  -