TY  - BOOK
AU  - Sparks, Fred W.
AU  - Rees, Paul K.
TI  - PLANE TRIGONOMETRY
U1  - 514.5 
PY  - 1960///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Trignometry, Plane
ER  -