TY  - BOOK
AU  - Gustafson, R. David
TI  - Plane trigonometry / David Gustafson R
SN  - 0534208452
CY  - Pacific Grove, Calif. : Brooks/Cole Pub. Co.,  c1994.
PB  - Pacific Grove, Calif. : Brooks/Cole Pub. Co.,  c1994.
KW  - Trigonometry,plane
ER  -