TY  - BOOK
AU  - Ayres,Frank
TI  - Schaum's outline of theory and problems of plane and spherical trigonometry
SN  - 0070026513
PY  - 1954///
CY  - New York
PB  - McGraw-Hill Book
KW  - Trigonometry
N1  - Cover title: Theory and problems of plane and spherical trigonometry; Includes index
ER  -