TY  - BOOK
AU  - Ryan, Merilyn.
AU  - Doubet, Marvin E.,
AU  - Fabricant, Mona,
AU  - Rockhill, Theron D.,
TI  - Advanced mathematics: a precalculus approach 
SN  - 0-13-715780-0
PY  - 1993///
N1  - Includes index
ER  -