TY  - BOOK
AU  - Barnett, Raymond A.
AU  - Ziegler,Michael R. 
TI  - Essentials of college  mathematics: For business,economics,life sciences and social sciences
SN  - 0023059214
AV  - QA 37.2. B365 1992 
PY  - 1992///
CY  - New York
PB  - Macmillan
ER  -