TY  - BOOK
AU  - Hornsby,E.John
AU  - Lial,Margaret L.
AU  - Rockswold,Gary K.
TI  - A graphical approach to algebra and trigonometry
SN  - 0321644727
U1  - 512.13 
PY  - 2011///
CY  - Boston, MA
PB  - Addison Wesley
KW  - Álgebra
KW  - Trigonometría
ER  -