TY  - BOOK
AU  - Ayres,Frank
TI  - Schaum's outline of theory and problems of trigonometry: with calculator based solutions 
SN  - 0070990352
U1  - 516.24 22
PY  - 1962///
CY  - New York
PB  - McGraw-Hill
KW  - Trigonometry
KW  - Outlines, syllabi, etc
N1  - Includes index
ER  -