TY  - GEN
AU  - HOFFMANN, L. D.
AU  - GERALD, L. B.
TI  - Calculus: For Business, Economics, and The Social and Life Sciences
SN  - 0-07-304018-5
U1  - 515 HOF 
PY  - 2000///
CY  - New York
PB  - Mcgraw- Hill  ,Inc
ER  -