TY  - BOOK
AU  - Larson, Roland E.
AU  - Hostetler, Robert P.
TI  - College algebra: Concepts and Models
SN  - 0669187585
AV  - QA 154.2.L37 1992 
PY  - 1992///
CY  - Toronto
PB  - D.C.Heath and company
ER  -