TY  - BOOK
AU  - Rider, Paul 
TI  - Plane and spherical trigonometry: with tables 
SN  - 971-08-1918-6
U1  - Fil. 516.24 R544 1971 
PY  - 1971///
CY  - Mandaluyong City
PB  - National Book Store, [distributor]
KW  - Trigonometry
N1  - Includes index; Originally published: New York: McMillan, 1969
ER  -