TY  - BOOK
AU  - Gustafson,R.David
AU  - Frisk,Peter D.
TI  - Plane trigonometry
SN  - 0-534-20845-2
PY  - 1994///
CY  - Pacific Grove, Calif.
PB  - Brooks/Cole Publishing Company
KW  - Plane trigonometry
N1  - Includes appendix
ER  -