TY  - BOOK
AU  - Hart,William L., x
AU  - x
TI  - The mathematics of investment: x
SN  - x
U1  - 657.836/HAM 
PY  - 1929///
CY  - Washington
PB  - D.C. Heath
KW  - Interest
KW  - Insurance
N1  - x
ER  -