TY  - BOOK
AU  - William L. Hart 
TI  - Mathematics of investment
SN  - 066993690
U1  - Circ. 513.93 H252m 1980 Fifth edition 
PY  - 1980///
CY  - Lexington: 
PB  - D.C. Heath & Co.
KW  - 1. Business Mathematics.
KW  - 2. Annuities.
KW  - 3. Insurance, Life - Mathematics
ER  -