TY  - BOOK
AU  - Rider , Paul R..
AU  - Davis, Alfred .
TI  - Plane Trigonometry
U1  - 514.5 
PY  - 1929///
CY  - London
PB  - Blackie & Sons Ltd
KW  - Trigonometry
KW  - Plane Trigonometry
KW  - G-Mathematics
N1  - Index
ER  -