TY  - BOOK
AU  - Laurence D. Hoffmann , Gerald L. Bradley 
TI  - Applied Calculus : For Business Economics, and the Social and Life Sciences 
SN  - 9780073229799
U1  - 515 
PY  - 2007///
CY  - New York 
PB  - Mc Graw Hill Higher Education 
ER  -