TY  - BOOK
AU  - Aufmann,Richard N.
AU  - Barker,Vernon C.
AU  - Nation,Richard
TI  - College trigonometry
SN  - 0618388044 (student's ed.)
PY  - 2005///
CY  - Boston
PB  - Houghton Mifflin Co.
KW  - Trigonometri
ER  -