TY  - BOOK
AU  - Borchardt, W.G. .
AU  - Perrott, A.D. .
TI  - A New Trigonometry for Schools
U1  - 514 
PY  - 1912///
CY  - London
PB  - G.Bell and Sons
KW  - Mathematics
KW  - T/G-Mathematics
ER  -