TY  - BOOK
AU  - Christy, Dennis T.,
AU  - Christy, Dennis T.,
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 697053229
SN  - 2
PY  - 1989///];copyright 198946
CY  - Dubuque, Iowa
PB  - Wm. C. Brown
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Algebra.;Trigonometry
N1  - Rev. ed. of: Essentials of precalculus mathematics. 3rd ed. c1986.;Includes index; 5
ER  -