TY  - BOOK
AU  - Thompson,James Edgar
TI  - Trigonometry for the practical man,
T2  - Mathematics for self study
AV  - QA533.T5 1946 
PY  - 1946///]
CY  - New York
PB  - D. Van Nostrand Company, inc.
KW  - Plane trigonometry
N1  - On cover: 2d ed
ER  -