TY  - BOOK
AU  - Borchardt, W. G.
AU  - Perrott, A. D.
TI  - A new trigonometry for schools
PY  - 1912///
CY  - London
PB  - Bell & Sons
KW  - Astronomy and Astrophysics Thesaurus
KW  - Trigonometry
KW  - Trigonometry Functions
N1  - Donated by Mrs. Bappu
ER  -