TY  - BOOK
AU  - Brink,Raymond W.
TI  - Plane Trigonometry: a textbook for schools and colleges
U1  - 514 
PY  - 1928///
CY  - New York
PB  - D. Appleton - Century
KW  - TRIGONOMETRIA
N1  - Gráf., índice
ER  -