TY  - BOOK
AU  - Sparks, fred W.
TI  - Plane trigonometry: Fred W. Sparks
SN  - 0136792251
U1  - 516.24 
PY  - 1984///
CY  - New Jersey
PB  - Prentice-Hall
KW  - Trigonometry, Plan
N1  - Includes index
ER  -