TY  - BOOK
AU  - Hoffmann, Laurence D.
AU  - Bradley, Gerald L.
TI  - Calculus: for business, economics, and the social and life sciences
SN  - 9780070293724
U1  - 515 
PY  - 1996///
CY  - New York
PB  - Mc Graw Hill
ER  -