TY  - BOOK
AU  - Childress,Robet L, x
AU  - x
TI  - Calculus for business and ecnomics: x
SN  - x
U1  - 515/CHC 
PY  - 1978///
CY  - New Jersey
PB  - Prentice - Hall
KW  - Caculus
KW  - Business Apithmetic
N1  - x
ER  -