TY  - BOOK
AU  - Ayres,Frank,1901-1994
TI  - Schaums's outline of theory and problems of plane and spherical trigonometry
U1  - 516.34 Ay74s 1954 
PY  - 1954///
CY  - New York
PB  - McGraw Hill
KW  - Plane trigonometry
KW  - sears
KW  - Spherical trigonometry
ER  -