TY  - BOOK
AU  - Gelfand,I. M.
AU  - Saul,Mark
TI  - TRIGONOMETRY
SN  - 0817639144
U1  - 516.242 
PY  - 2001///
CY  - 
PB  - Birkhauser, Boston
KW  - Trigonometry, Plane
ER  -