TY  - GEN
AU  - Kellison,Stephen G.
TI  - The theory of interest
AV  - HB539 .K28 1970 
PY  - 1970///
CY  - Homewood, Ill.
PB  - R. D. Irwin
KW  - Interés
KW  - Problemas, ejercicios, etc
N1  - Irwin series in insurance and economic security
ER  -