TY  - BOOK
AU  - Pfouts, RW.
TI  - Elementary economics: a mathematical approach 
SN  - 0-471-68480-5
AV  - HB74.M3P46 1972 
PY  - 1972///
CY  - New York
PB  - John Wiley & Sons
KW  - Economic
N1  - Includes bibliographical references and index
ER  -