TY  - BOOK
AU  - Clayton,Gary E.
AU  - Merrill,Charles E.
TI  - Economics: principles and practices 
SN  - 0675006104
AV  - HB171.5  .M47 1983
U1  - 330  22nd ed
PY  - 1983///
CY  - Columbia,Ohio
PB  - Charles E. Merrill
KW  - Economics
N1  - Includes bibliographical references (p.551-552) and index
ER  -