TY  - BOOK
AU  - Clayton, Gary E.
AU  - Spivey, Christopher B.
TI  - The time value of money: worked and solved problems 
SN  - 0721626025
AV  - HG 1654 C622t 1978 
PY  - 1978///
CY  - Philadelphia
PB  - W. B. Saunders Company
ER  -