TY  - BOOK
AU  - Sparks, Fred W; Rees, Paul K
TI  - Plane trigonometry
SN  - 9780070722002
U1  - 516.24 SPA-P4 22
PY  - 1952///
CY  - 
PB  - Prentice-Hall Co., New Jersey
KW  - Trigonometry; Mathematics
ER  -