TY  - BOOK
AU  - Rees, Paul K.
AU  - I. Sparks, Fred W.
TI  - Algebra and trigonometry / Paul K. Rees, Fred W. Sparks
U1  - 512.13 R553a 
CY  - México : Mcgraw-Hill
KW  - 1. ALGEBRA Y TRIGONOMETRIA
ER  -