TY  - BOOK
AU  - Hart, William L.
TI  - Plane and spherical trigonometry with applications
SN  - 971-08-1916-x
U1  - 516.24 H326 1964 
PY  - 1964///
CY  - Boston
PB  - D.C. Health
KW  - Trigonometry
N1  - Includes index
ER  -