TY  - BOOK
AU  - Hirsch, Christian R.
AU  - Schoen, Harold L.
TI  - Trigonometry and its applications
SN  - 0070290741
U1  - 516.24 22
PY  - 1990///
CY  - America
PB  - McGraw-Hill, 
KW  - Mathematics
KW  - Geometri
KW  - Trigonometry
N1  - Mathematics
ER  -