TY  - BOOK
AU  - Hoffman, laurence D.
AU  - 
AU  - Bradley, Gerald L. jt. author
TI  - Calculus for business economics and the social and life sciences
SN  - 0-07-029344-9
U1  - 515 H675 1992 
CY  - New York
PB  - McGraw Hill.
KW  - Calculus
ER  -